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Finding the Fourth Proportional to 16,539.05, 24,808.65 and 8,217.11

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Solution

The fourth proportional to 16,539.05, 24,808.65 and 8,217.11 is: 12,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539.05 : 24,808.65 = 8,217.11 : x
  2. Step 2: Convert to fraction form
    16,539.05/24,808.65 = 8,217.11/x
  3. Step 3: Cross multiply
    16,539.05x = 24,808.65 × 8,217.11
  4. Step 4: Simplify right side
    16,539.05x = 203,855,281.96
  5. Step 5: Solve for x
    x = 203,855,281.96/16,539.05
  6. Step 6: Final answer
    x = 12,325.70

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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.