Home / 9,612.79-14,419.19-3,772.15

Finding the Fourth Proportional to 9,612.79, 14,419.19 and 3,772.15

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Solution

The fourth proportional to 9,612.79, 14,419.19 and 3,772.15 is: 5,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.79 : 14,419.19 = 3,772.15 : x
  2. Step 2: Convert to fraction form
    9,612.79/14,419.19 = 3,772.15/x
  3. Step 3: Cross multiply
    9,612.79x = 14,419.19 × 3,772.15
  4. Step 4: Simplify right side
    9,612.79x = 54,391,328.70
  5. Step 5: Solve for x
    x = 54,391,328.70/9,612.79
  6. Step 6: Final answer
    x = 5,658.23

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Similar ratio
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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.