Home / 10,454.24-15,659.28-7,151.84

Finding the Fourth Proportional to 10,454.24, 15,659.28 and 7,151.84

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Solution

The fourth proportional to 10,454.24, 15,659.28 and 7,151.84 is: 10,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.24 : 15,659.28 = 7,151.84 : x
  2. Step 2: Convert to fraction form
    10,454.24/15,659.28 = 7,151.84/x
  3. Step 3: Cross multiply
    10,454.24x = 15,659.28 × 7,151.84
  4. Step 4: Simplify right side
    10,454.24x = 111,992,665.08
  5. Step 5: Solve for x
    x = 111,992,665.08/10,454.24
  6. Step 6: Final answer
    x = 10,712.65

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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.