Home / 21,040.92-29,034.45-11,608.87

Finding the Fourth Proportional to 21,040.92, 29,034.45 and 11,608.87

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Solution

The fourth proportional to 21,040.92, 29,034.45 and 11,608.87 is: 16,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.92 : 29,034.45 = 11,608.87 : x
  2. Step 2: Convert to fraction form
    21,040.92/29,034.45 = 11,608.87/x
  3. Step 3: Cross multiply
    21,040.92x = 29,034.45 × 11,608.87
  4. Step 4: Simplify right side
    21,040.92x = 337,057,155.57
  5. Step 5: Solve for x
    x = 337,057,155.57/21,040.92
  6. Step 6: Final answer
    x = 16,019.13

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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.