Home / 9,825.12-14,675.12-8,442.48

Finding the Fourth Proportional to 9,825.12, 14,675.12 and 8,442.48

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Solution

The fourth proportional to 9,825.12, 14,675.12 and 8,442.48 is: 12,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.12 : 14,675.12 = 8,442.48 : x
  2. Step 2: Convert to fraction form
    9,825.12/14,675.12 = 8,442.48/x
  3. Step 3: Cross multiply
    9,825.12x = 14,675.12 × 8,442.48
  4. Step 4: Simplify right side
    9,825.12x = 123,894,407.10
  5. Step 5: Solve for x
    x = 123,894,407.10/9,825.12
  6. Step 6: Final answer
    x = 12,609.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.