Home / 15,934.40-23,869.20-8,147.60

Finding the Fourth Proportional to 15,934.40, 23,869.20 and 8,147.60

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Solution

The fourth proportional to 15,934.40, 23,869.20 and 8,147.60 is: 12,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.40 : 23,869.20 = 8,147.60 : x
  2. Step 2: Convert to fraction form
    15,934.40/23,869.20 = 8,147.60/x
  3. Step 3: Cross multiply
    15,934.40x = 23,869.20 × 8,147.60
  4. Step 4: Simplify right side
    15,934.40x = 194,476,693.92
  5. Step 5: Solve for x
    x = 194,476,693.92/15,934.40
  6. Step 6: Final answer
    x = 12,204.83

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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.