Home / 16,721.39-23,062.21-14,211.81

Finding the Fourth Proportional to 16,721.39, 23,062.21 and 14,211.81

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Solution

The fourth proportional to 16,721.39, 23,062.21 and 14,211.81 is: 19,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.39 : 23,062.21 = 14,211.81 : x
  2. Step 2: Convert to fraction form
    16,721.39/23,062.21 = 14,211.81/x
  3. Step 3: Cross multiply
    16,721.39x = 23,062.21 × 14,211.81
  4. Step 4: Simplify right side
    16,721.39x = 327,755,711.17
  5. Step 5: Solve for x
    x = 327,755,711.17/16,721.39
  6. Step 6: Final answer
    x = 19,600.98

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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.