Home / 16,159.68-22,306.06-13,655.10

Finding the Fourth Proportional to 16,159.68, 22,306.06 and 13,655.10

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Solution

The fourth proportional to 16,159.68, 22,306.06 and 13,655.10 is: 18,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,159.68 : 22,306.06 = 13,655.10 : x
  2. Step 2: Convert to fraction form
    16,159.68/22,306.06 = 13,655.10/x
  3. Step 3: Cross multiply
    16,159.68x = 22,306.06 × 13,655.10
  4. Step 4: Simplify right side
    16,159.68x = 304,591,479.91
  5. Step 5: Solve for x
    x = 304,591,479.91/16,159.68
  6. Step 6: Final answer
    x = 18,848.86

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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.