Home / 21,502.61-32,253.91-12,151.36

Finding the Fourth Proportional to 21,502.61, 32,253.91 and 12,151.36

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Solution

The fourth proportional to 21,502.61, 32,253.91 and 12,151.36 is: 18,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.61 : 32,253.91 = 12,151.36 : x
  2. Step 2: Convert to fraction form
    21,502.61/32,253.91 = 12,151.36/x
  3. Step 3: Cross multiply
    21,502.61x = 32,253.91 × 12,151.36
  4. Step 4: Simplify right side
    21,502.61x = 391,928,760.80
  5. Step 5: Solve for x
    x = 391,928,760.80/21,502.61
  6. Step 6: Final answer
    x = 18,227.04

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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.