Home / 21,382.50-29,508.29-11,823.17

Finding the Fourth Proportional to 21,382.50, 29,508.29 and 11,823.17

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Solution

The fourth proportional to 21,382.50, 29,508.29 and 11,823.17 is: 16,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.50 : 29,508.29 = 11,823.17 : x
  2. Step 2: Convert to fraction form
    21,382.50/29,508.29 = 11,823.17/x
  3. Step 3: Cross multiply
    21,382.50x = 29,508.29 × 11,823.17
  4. Step 4: Simplify right side
    21,382.50x = 348,881,350.13
  5. Step 5: Solve for x
    x = 348,881,350.13/21,382.50
  6. Step 6: Final answer
    x = 16,316.21

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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.