Home / 21,073.64-31,614.84-8,593.70

Finding the Fourth Proportional to 21,073.64, 31,614.84 and 8,593.70

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Solution

The fourth proportional to 21,073.64, 31,614.84 and 8,593.70 is: 12,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.64 : 31,614.84 = 8,593.70 : x
  2. Step 2: Convert to fraction form
    21,073.64/31,614.84 = 8,593.70/x
  3. Step 3: Cross multiply
    21,073.64x = 31,614.84 × 8,593.70
  4. Step 4: Simplify right side
    21,073.64x = 271,688,292.43
  5. Step 5: Solve for x
    x = 271,688,292.43/21,073.64
  6. Step 6: Final answer
    x = 12,892.33

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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.