Home / 12,475.01-18,706.28-4,152.11

Finding the Fourth Proportional to 12,475.01, 18,706.28 and 4,152.11

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Solution

The fourth proportional to 12,475.01, 18,706.28 and 4,152.11 is: 6,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.01 : 18,706.28 = 4,152.11 : x
  2. Step 2: Convert to fraction form
    12,475.01/18,706.28 = 4,152.11/x
  3. Step 3: Cross multiply
    12,475.01x = 18,706.28 × 4,152.11
  4. Step 4: Simplify right side
    12,475.01x = 77,670,417.96
  5. Step 5: Solve for x
    x = 77,670,417.96/12,475.01
  6. Step 6: Final answer
    x = 6,226.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.