Home / 16,088.80-22,161-11,364.88

Finding the Fourth Proportional to 16,088.80, 22,161 and 11,364.88

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Solution

The fourth proportional to 16,088.80, 22,161 and 11,364.88 is: 15,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,088.80 : 22,161 = 11,364.88 : x
  2. Step 2: Convert to fraction form
    16,088.80/22,161 = 11,364.88/x
  3. Step 3: Cross multiply
    16,088.80x = 22,161 × 11,364.88
  4. Step 4: Simplify right side
    16,088.80x = 251,857,105.68
  5. Step 5: Solve for x
    x = 251,857,105.68/16,088.80
  6. Step 6: Final answer
    x = 15,654.19

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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.