Home / 13,753.68-20,632.12-4,992.72

Finding the Fourth Proportional to 13,753.68, 20,632.12 and 4,992.72

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Solution

The fourth proportional to 13,753.68, 20,632.12 and 4,992.72 is: 7,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.68 : 20,632.12 = 4,992.72 : x
  2. Step 2: Convert to fraction form
    13,753.68/20,632.12 = 4,992.72/x
  3. Step 3: Cross multiply
    13,753.68x = 20,632.12 × 4,992.72
  4. Step 4: Simplify right side
    13,753.68x = 103,010,398.17
  5. Step 5: Solve for x
    x = 103,010,398.17/13,753.68
  6. Step 6: Final answer
    x = 7,489.66

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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.