Home / 10,317.76-15,474.66-2,920.43

Finding the Fourth Proportional to 10,317.76, 15,474.66 and 2,920.43

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Solution

The fourth proportional to 10,317.76, 15,474.66 and 2,920.43 is: 4,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.76 : 15,474.66 = 2,920.43 : x
  2. Step 2: Convert to fraction form
    10,317.76/15,474.66 = 2,920.43/x
  3. Step 3: Cross multiply
    10,317.76x = 15,474.66 × 2,920.43
  4. Step 4: Simplify right side
    10,317.76x = 45,192,661.30
  5. Step 5: Solve for x
    x = 45,192,661.30/10,317.76
  6. Step 6: Final answer
    x = 4,380.08

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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.