Home / 16,118.92-22,266.54-15,330.71

Finding the Fourth Proportional to 16,118.92, 22,266.54 and 15,330.71

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Solution

The fourth proportional to 16,118.92, 22,266.54 and 15,330.71 is: 21,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.92 : 22,266.54 = 15,330.71 : x
  2. Step 2: Convert to fraction form
    16,118.92/22,266.54 = 15,330.71/x
  3. Step 3: Cross multiply
    16,118.92x = 22,266.54 × 15,330.71
  4. Step 4: Simplify right side
    16,118.92x = 341,361,679.46
  5. Step 5: Solve for x
    x = 341,361,679.46/16,118.92
  6. Step 6: Final answer
    x = 21,177.70

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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.