Home / 16,635.12-24,949.92-5,539.74

Finding the Fourth Proportional to 16,635.12, 24,949.92 and 5,539.74

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Solution

The fourth proportional to 16,635.12, 24,949.92 and 5,539.74 is: 8,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,635.12 : 24,949.92 = 5,539.74 : x
  2. Step 2: Convert to fraction form
    16,635.12/24,949.92 = 5,539.74/x
  3. Step 3: Cross multiply
    16,635.12x = 24,949.92 × 5,539.74
  4. Step 4: Simplify right side
    16,635.12x = 138,216,069.82
  5. Step 5: Solve for x
    x = 138,216,069.82/16,635.12
  6. Step 6: Final answer
    x = 8,308.69

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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.