Home / 18,834.12-28,250.46-5,686.12

Finding the Fourth Proportional to 18,834.12, 28,250.46 and 5,686.12

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Solution

The fourth proportional to 18,834.12, 28,250.46 and 5,686.12 is: 8,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.12 : 28,250.46 = 5,686.12 : x
  2. Step 2: Convert to fraction form
    18,834.12/28,250.46 = 5,686.12/x
  3. Step 3: Cross multiply
    18,834.12x = 28,250.46 × 5,686.12
  4. Step 4: Simplify right side
    18,834.12x = 160,635,505.62
  5. Step 5: Solve for x
    x = 160,635,505.62/18,834.12
  6. Step 6: Final answer
    x = 8,528.96

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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.