Home / 10,582.26-15,876.68-4,342.78

Finding the Fourth Proportional to 10,582.26, 15,876.68 and 4,342.78

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Solution

The fourth proportional to 10,582.26, 15,876.68 and 4,342.78 is: 6,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582.26 : 15,876.68 = 4,342.78 : x
  2. Step 2: Convert to fraction form
    10,582.26/15,876.68 = 4,342.78/x
  3. Step 3: Cross multiply
    10,582.26x = 15,876.68 × 4,342.78
  4. Step 4: Simplify right side
    10,582.26x = 68,948,926.50
  5. Step 5: Solve for x
    x = 68,948,926.50/10,582.26
  6. Step 6: Final answer
    x = 6,515.52

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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.