Home / 18,112.08-27,146.16-8,248.80

Finding the Fourth Proportional to 18,112.08, 27,146.16 and 8,248.80

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Solution

The fourth proportional to 18,112.08, 27,146.16 and 8,248.80 is: 12,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.08 : 27,146.16 = 8,248.80 : x
  2. Step 2: Convert to fraction form
    18,112.08/27,146.16 = 8,248.80/x
  3. Step 3: Cross multiply
    18,112.08x = 27,146.16 × 8,248.80
  4. Step 4: Simplify right side
    18,112.08x = 223,923,244.61
  5. Step 5: Solve for x
    x = 223,923,244.61/18,112.08
  6. Step 6: Final answer
    x = 12,363.20

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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.