Home / 14,422.20-19,897.10-8,757.88

Finding the Fourth Proportional to 14,422.20, 19,897.10 and 8,757.88

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Solution

The fourth proportional to 14,422.20, 19,897.10 and 8,757.88 is: 12,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.20 : 19,897.10 = 8,757.88 : x
  2. Step 2: Convert to fraction form
    14,422.20/19,897.10 = 8,757.88/x
  3. Step 3: Cross multiply
    14,422.20x = 19,897.10 × 8,757.88
  4. Step 4: Simplify right side
    14,422.20x = 174,256,414.15
  5. Step 5: Solve for x
    x = 174,256,414.15/14,422.20
  6. Step 6: Final answer
    x = 12,082.51

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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.