Home / 16,285.40-24,428.10-8,493.20

Finding the Fourth Proportional to 16,285.40, 24,428.10 and 8,493.20

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Solution

The fourth proportional to 16,285.40, 24,428.10 and 8,493.20 is: 12,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,285.40 : 24,428.10 = 8,493.20 : x
  2. Step 2: Convert to fraction form
    16,285.40/24,428.10 = 8,493.20/x
  3. Step 3: Cross multiply
    16,285.40x = 24,428.10 × 8,493.20
  4. Step 4: Simplify right side
    16,285.40x = 207,472,738.92
  5. Step 5: Solve for x
    x = 207,472,738.92/16,285.40
  6. Step 6: Final answer
    x = 12,739.80

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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.