Home / 23,999.20-36,016.80-12,306.40

Finding the Fourth Proportional to 23,999.20, 36,016.80 and 12,306.40

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Solution

The fourth proportional to 23,999.20, 36,016.80 and 12,306.40 is: 18,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.20 : 36,016.80 = 12,306.40 : x
  2. Step 2: Convert to fraction form
    23,999.20/36,016.80 = 12,306.40/x
  3. Step 3: Cross multiply
    23,999.20x = 36,016.80 × 12,306.40
  4. Step 4: Simplify right side
    23,999.20x = 443,237,147.52
  5. Step 5: Solve for x
    x = 443,237,147.52/23,999.20
  6. Step 6: Final answer
    x = 18,468.83

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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.