Home / 21,546.59-29,737.07-12,116.97

Finding the Fourth Proportional to 21,546.59, 29,737.07 and 12,116.97

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Solution

The fourth proportional to 21,546.59, 29,737.07 and 12,116.97 is: 16,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.59 : 29,737.07 = 12,116.97 : x
  2. Step 2: Convert to fraction form
    21,546.59/29,737.07 = 12,116.97/x
  3. Step 3: Cross multiply
    21,546.59x = 29,737.07 × 12,116.97
  4. Step 4: Simplify right side
    21,546.59x = 360,323,124.49
  5. Step 5: Solve for x
    x = 360,323,124.49/21,546.59
  6. Step 6: Final answer
    x = 16,722.98

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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.