Home / 21,082.32-31,614.60-8,593.80

Finding the Fourth Proportional to 21,082.32, 31,614.60 and 8,593.80

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Solution

The fourth proportional to 21,082.32, 31,614.60 and 8,593.80 is: 12,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.32 : 31,614.60 = 8,593.80 : x
  2. Step 2: Convert to fraction form
    21,082.32/31,614.60 = 8,593.80/x
  3. Step 3: Cross multiply
    21,082.32x = 31,614.60 × 8,593.80
  4. Step 4: Simplify right side
    21,082.32x = 271,689,549.48
  5. Step 5: Solve for x
    x = 271,689,549.48/21,082.32
  6. Step 6: Final answer
    x = 12,887.08

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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.