Home / 18,106.03-27,151.35-8,251.57

Finding the Fourth Proportional to 18,106.03, 27,151.35 and 8,251.57

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Solution

The fourth proportional to 18,106.03, 27,151.35 and 8,251.57 is: 12,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.03 : 27,151.35 = 8,251.57 : x
  2. Step 2: Convert to fraction form
    18,106.03/27,151.35 = 8,251.57/x
  3. Step 3: Cross multiply
    18,106.03x = 27,151.35 × 8,251.57
  4. Step 4: Simplify right side
    18,106.03x = 224,041,265.12
  5. Step 5: Solve for x
    x = 224,041,265.12/18,106.03
  6. Step 6: Final answer
    x = 12,373.85

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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.