Home / 11,217.28-16,805.28-9,462.88

Finding the Fourth Proportional to 11,217.28, 16,805.28 and 9,462.88

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Solution

The fourth proportional to 11,217.28, 16,805.28 and 9,462.88 is: 14,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.28 : 16,805.28 = 9,462.88 : x
  2. Step 2: Convert to fraction form
    11,217.28/16,805.28 = 9,462.88/x
  3. Step 3: Cross multiply
    11,217.28x = 16,805.28 × 9,462.88
  4. Step 4: Simplify right side
    11,217.28x = 159,026,348.01
  5. Step 5: Solve for x
    x = 159,026,348.01/11,217.28
  6. Step 6: Final answer
    x = 14,176.91

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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.