Home / 29,116.11-43,674.13-9,125.74

Finding the Fourth Proportional to 29,116.11, 43,674.13 and 9,125.74

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Solution

The fourth proportional to 29,116.11, 43,674.13 and 9,125.74 is: 13,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.11 : 43,674.13 = 9,125.74 : x
  2. Step 2: Convert to fraction form
    29,116.11/43,674.13 = 9,125.74/x
  3. Step 3: Cross multiply
    29,116.11x = 43,674.13 × 9,125.74
  4. Step 4: Simplify right side
    29,116.11x = 398,558,755.11
  5. Step 5: Solve for x
    x = 398,558,755.11/29,116.11
  6. Step 6: Final answer
    x = 13,688.60

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Double scale
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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.