Home / 13,753.20-20,632.68-4,518

Finding the Fourth Proportional to 13,753.20, 20,632.68 and 4,518

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Solution

The fourth proportional to 13,753.20, 20,632.68 and 4,518 is: 6,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.20 : 20,632.68 = 4,518 : x
  2. Step 2: Convert to fraction form
    13,753.20/20,632.68 = 4,518/x
  3. Step 3: Cross multiply
    13,753.20x = 20,632.68 × 4,518
  4. Step 4: Simplify right side
    13,753.20x = 93,218,448.24
  5. Step 5: Solve for x
    x = 93,218,448.24/13,753.20
  6. Step 6: Final answer
    x = 6,777.95

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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.