Home / 11,242.92-15,515.15-6,207.15

Finding the Fourth Proportional to 11,242.92, 15,515.15 and 6,207.15

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Solution

The fourth proportional to 11,242.92, 15,515.15 and 6,207.15 is: 8,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.92 : 15,515.15 = 6,207.15 : x
  2. Step 2: Convert to fraction form
    11,242.92/15,515.15 = 6,207.15/x
  3. Step 3: Cross multiply
    11,242.92x = 15,515.15 × 6,207.15
  4. Step 4: Simplify right side
    11,242.92x = 96,304,890.47
  5. Step 5: Solve for x
    x = 96,304,890.47/11,242.92
  6. Step 6: Final answer
    x = 8,565.82

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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.