Home / 23,099.20-31,876.90-12,488.83

Finding the Fourth Proportional to 23,099.20, 31,876.90 and 12,488.83

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Solution

The fourth proportional to 23,099.20, 31,876.90 and 12,488.83 is: 17,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.20 : 31,876.90 = 12,488.83 : x
  2. Step 2: Convert to fraction form
    23,099.20/31,876.90 = 12,488.83/x
  3. Step 3: Cross multiply
    23,099.20x = 31,876.90 × 12,488.83
  4. Step 4: Simplify right side
    23,099.20x = 398,105,185.03
  5. Step 5: Solve for x
    x = 398,105,185.03/23,099.20
  6. Step 6: Final answer
    x = 17,234.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.