Home / 15,217.24-20,998.02-8,502.88

Finding the Fourth Proportional to 15,217.24, 20,998.02 and 8,502.88

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Solution

The fourth proportional to 15,217.24, 20,998.02 and 8,502.88 is: 11,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.24 : 20,998.02 = 8,502.88 : x
  2. Step 2: Convert to fraction form
    15,217.24/20,998.02 = 8,502.88/x
  3. Step 3: Cross multiply
    15,217.24x = 20,998.02 × 8,502.88
  4. Step 4: Simplify right side
    15,217.24x = 178,543,644.30
  5. Step 5: Solve for x
    x = 178,543,644.30/15,217.24
  6. Step 6: Final answer
    x = 11,732.98

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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.