Home / 21,060.09-29,061.86-11,626.83

Finding the Fourth Proportional to 21,060.09, 29,061.86 and 11,626.83

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Solution

The fourth proportional to 21,060.09, 29,061.86 and 11,626.83 is: 16,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.09 : 29,061.86 = 11,626.83 : x
  2. Step 2: Convert to fraction form
    21,060.09/29,061.86 = 11,626.83/x
  3. Step 3: Cross multiply
    21,060.09x = 29,061.86 × 11,626.83
  4. Step 4: Simplify right side
    21,060.09x = 337,897,247.57
  5. Step 5: Solve for x
    x = 337,897,247.57/21,060.09
  6. Step 6: Final answer
    x = 16,044.44

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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.