Home / 11,654.22-16,082.25-6,617.78

Finding the Fourth Proportional to 11,654.22, 16,082.25 and 6,617.78

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Solution

The fourth proportional to 11,654.22, 16,082.25 and 6,617.78 is: 9,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.22 : 16,082.25 = 6,617.78 : x
  2. Step 2: Convert to fraction form
    11,654.22/16,082.25 = 6,617.78/x
  3. Step 3: Cross multiply
    11,654.22x = 16,082.25 × 6,617.78
  4. Step 4: Simplify right side
    11,654.22x = 106,428,792.41
  5. Step 5: Solve for x
    x = 106,428,792.41/11,654.22
  6. Step 6: Final answer
    x = 9,132.21

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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.