Home / 21,614.23-29,818.22-13,542.92

Finding the Fourth Proportional to 21,614.23, 29,818.22 and 13,542.92

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Solution

The fourth proportional to 21,614.23, 29,818.22 and 13,542.92 is: 18,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.23 : 29,818.22 = 13,542.92 : x
  2. Step 2: Convert to fraction form
    21,614.23/29,818.22 = 13,542.92/x
  3. Step 3: Cross multiply
    21,614.23x = 29,818.22 × 13,542.92
  4. Step 4: Simplify right side
    21,614.23x = 403,825,768.00
  5. Step 5: Solve for x
    x = 403,825,768.00/21,614.23
  6. Step 6: Final answer
    x = 18,683.33

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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.