Home / 18,864.76-28,290.39-5,534.05

Finding the Fourth Proportional to 18,864.76, 28,290.39 and 5,534.05

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Solution

The fourth proportional to 18,864.76, 28,290.39 and 5,534.05 is: 8,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.76 : 28,290.39 = 5,534.05 : x
  2. Step 2: Convert to fraction form
    18,864.76/28,290.39 = 5,534.05/x
  3. Step 3: Cross multiply
    18,864.76x = 28,290.39 × 5,534.05
  4. Step 4: Simplify right side
    18,864.76x = 156,560,432.78
  5. Step 5: Solve for x
    x = 156,560,432.78/18,864.76
  6. Step 6: Final answer
    x = 8,299.09

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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.