Home / 12,525.38-17,270.12-8,049.32

Finding the Fourth Proportional to 12,525.38, 17,270.12 and 8,049.32

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Solution

The fourth proportional to 12,525.38, 17,270.12 and 8,049.32 is: 11,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.38 : 17,270.12 = 8,049.32 : x
  2. Step 2: Convert to fraction form
    12,525.38/17,270.12 = 8,049.32/x
  3. Step 3: Cross multiply
    12,525.38x = 17,270.12 × 8,049.32
  4. Step 4: Simplify right side
    12,525.38x = 139,012,722.32
  5. Step 5: Solve for x
    x = 139,012,722.32/12,525.38
  6. Step 6: Final answer
    x = 11,098.48

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Half scale
Find fourth proportional to 25,050.76, 34,540.24 and 16,098.64
Double scale
Find fourth proportional to 12,526.38, 17,271.50 and 8,050.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.