Home / 21,050.38-29,049.51-11,618.92

Finding the Fourth Proportional to 21,050.38, 29,049.51 and 11,618.92

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Solution

The fourth proportional to 21,050.38, 29,049.51 and 11,618.92 is: 16,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.38 : 29,049.51 = 11,618.92 : x
  2. Step 2: Convert to fraction form
    21,050.38/29,049.51 = 11,618.92/x
  3. Step 3: Cross multiply
    21,050.38x = 29,049.51 × 11,618.92
  4. Step 4: Simplify right side
    21,050.38x = 337,523,947.26
  5. Step 5: Solve for x
    x = 337,523,947.26/21,050.38
  6. Step 6: Final answer
    x = 16,034.10

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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.