Home / 21,498.28-32,253.24-9,011.72

Finding the Fourth Proportional to 21,498.28, 32,253.24 and 9,011.72

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Solution

The fourth proportional to 21,498.28, 32,253.24 and 9,011.72 is: 13,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.28 : 32,253.24 = 9,011.72 : x
  2. Step 2: Convert to fraction form
    21,498.28/32,253.24 = 9,011.72/x
  3. Step 3: Cross multiply
    21,498.28x = 32,253.24 × 9,011.72
  4. Step 4: Simplify right side
    21,498.28x = 290,657,167.97
  5. Step 5: Solve for x
    x = 290,657,167.97/21,498.28
  6. Step 6: Final answer
    x = 13,520.02

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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.