Home / 16,218.60-24,318.30-8,442.60

Finding the Fourth Proportional to 16,218.60, 24,318.30 and 8,442.60

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Solution

The fourth proportional to 16,218.60, 24,318.30 and 8,442.60 is: 12,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.60 : 24,318.30 = 8,442.60 : x
  2. Step 2: Convert to fraction form
    16,218.60/24,318.30 = 8,442.60/x
  3. Step 3: Cross multiply
    16,218.60x = 24,318.30 × 8,442.60
  4. Step 4: Simplify right side
    16,218.60x = 205,309,679.58
  5. Step 5: Solve for x
    x = 205,309,679.58/16,218.60
  6. Step 6: Final answer
    x = 12,658.90

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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.