Home / 10,876.56-16,315.17-5,176.30

Finding the Fourth Proportional to 10,876.56, 16,315.17 and 5,176.30

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Solution

The fourth proportional to 10,876.56, 16,315.17 and 5,176.30 is: 7,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.56 : 16,315.17 = 5,176.30 : x
  2. Step 2: Convert to fraction form
    10,876.56/16,315.17 = 5,176.30/x
  3. Step 3: Cross multiply
    10,876.56x = 16,315.17 × 5,176.30
  4. Step 4: Simplify right side
    10,876.56x = 84,452,214.47
  5. Step 5: Solve for x
    x = 84,452,214.47/10,876.56
  6. Step 6: Final answer
    x = 7,764.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.