Home / 16,660.50-24,994.05-8,766.78

Finding the Fourth Proportional to 16,660.50, 24,994.05 and 8,766.78

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Solution

The fourth proportional to 16,660.50, 24,994.05 and 8,766.78 is: 13,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.50 : 24,994.05 = 8,766.78 : x
  2. Step 2: Convert to fraction form
    16,660.50/24,994.05 = 8,766.78/x
  3. Step 3: Cross multiply
    16,660.50x = 24,994.05 × 8,766.78
  4. Step 4: Simplify right side
    16,660.50x = 219,117,337.66
  5. Step 5: Solve for x
    x = 219,117,337.66/16,660.50
  6. Step 6: Final answer
    x = 13,151.91

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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.