Home / 23,156.43-34,781.15-13,814.68

Finding the Fourth Proportional to 23,156.43, 34,781.15 and 13,814.68

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Solution

The fourth proportional to 23,156.43, 34,781.15 and 13,814.68 is: 20,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.43 : 34,781.15 = 13,814.68 : x
  2. Step 2: Convert to fraction form
    23,156.43/34,781.15 = 13,814.68/x
  3. Step 3: Cross multiply
    23,156.43x = 34,781.15 × 13,814.68
  4. Step 4: Simplify right side
    23,156.43x = 480,490,294.55
  5. Step 5: Solve for x
    x = 480,490,294.55/23,156.43
  6. Step 6: Final answer
    x = 20,749.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.