Home / 16,101.19-22,218.72-9,387.91

Finding the Fourth Proportional to 16,101.19, 22,218.72 and 9,387.91

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Solution

The fourth proportional to 16,101.19, 22,218.72 and 9,387.91 is: 12,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.19 : 22,218.72 = 9,387.91 : x
  2. Step 2: Convert to fraction form
    16,101.19/22,218.72 = 9,387.91/x
  3. Step 3: Cross multiply
    16,101.19x = 22,218.72 × 9,387.91
  4. Step 4: Simplify right side
    16,101.19x = 208,587,343.68
  5. Step 5: Solve for x
    x = 208,587,343.68/16,101.19
  6. Step 6: Final answer
    x = 12,954.78

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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.