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Finding the Fourth Proportional to 16,340.80, 24,511.04 and 5,248.64

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Solution

The fourth proportional to 16,340.80, 24,511.04 and 5,248.64 is: 7,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,340.80 : 24,511.04 = 5,248.64 : x
  2. Step 2: Convert to fraction form
    16,340.80/24,511.04 = 5,248.64/x
  3. Step 3: Cross multiply
    16,340.80x = 24,511.04 × 5,248.64
  4. Step 4: Simplify right side
    16,340.80x = 128,649,624.99
  5. Step 5: Solve for x
    x = 128,649,624.99/16,340.80
  6. Step 6: Final answer
    x = 7,872.91

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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.