Home / 15,311.12-22,945.10-12,177.23

Finding the Fourth Proportional to 15,311.12, 22,945.10 and 12,177.23

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Solution

The fourth proportional to 15,311.12, 22,945.10 and 12,177.23 is: 18,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.12 : 22,945.10 = 12,177.23 : x
  2. Step 2: Convert to fraction form
    15,311.12/22,945.10 = 12,177.23/x
  3. Step 3: Cross multiply
    15,311.12x = 22,945.10 × 12,177.23
  4. Step 4: Simplify right side
    15,311.12x = 279,407,584.46
  5. Step 5: Solve for x
    x = 279,407,584.46/15,311.12
  6. Step 6: Final answer
    x = 18,248.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.