Home / 22,259.52-30,718.13-12,187.95

Finding the Fourth Proportional to 22,259.52, 30,718.13 and 12,187.95

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Solution

The fourth proportional to 22,259.52, 30,718.13 and 12,187.95 is: 16,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.52 : 30,718.13 = 12,187.95 : x
  2. Step 2: Convert to fraction form
    22,259.52/30,718.13 = 12,187.95/x
  3. Step 3: Cross multiply
    22,259.52x = 30,718.13 × 12,187.95
  4. Step 4: Simplify right side
    22,259.52x = 374,391,086.79
  5. Step 5: Solve for x
    x = 374,391,086.79/22,259.52
  6. Step 6: Final answer
    x = 16,819.37

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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.