Home / 22,259.27-30,718.17-12,187.55

Finding the Fourth Proportional to 22,259.27, 30,718.17 and 12,187.55

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Solution

The fourth proportional to 22,259.27, 30,718.17 and 12,187.55 is: 16,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.27 : 30,718.17 = 12,187.55 : x
  2. Step 2: Convert to fraction form
    22,259.27/30,718.17 = 12,187.55/x
  3. Step 3: Cross multiply
    22,259.27x = 30,718.17 × 12,187.55
  4. Step 4: Simplify right side
    22,259.27x = 374,379,309.58
  5. Step 5: Solve for x
    x = 374,379,309.58/22,259.27
  6. Step 6: Final answer
    x = 16,819.03

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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.