Home / 15,862.20-23,772.30-8,450.70

Finding the Fourth Proportional to 15,862.20, 23,772.30 and 8,450.70

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Solution

The fourth proportional to 15,862.20, 23,772.30 and 8,450.70 is: 12,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.20 : 23,772.30 = 8,450.70 : x
  2. Step 2: Convert to fraction form
    15,862.20/23,772.30 = 8,450.70/x
  3. Step 3: Cross multiply
    15,862.20x = 23,772.30 × 8,450.70
  4. Step 4: Simplify right side
    15,862.20x = 200,892,575.61
  5. Step 5: Solve for x
    x = 200,892,575.61/15,862.20
  6. Step 6: Final answer
    x = 12,664.86

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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.