Home / 10,517.90-15,767.08-3,948.44

Finding the Fourth Proportional to 10,517.90, 15,767.08 and 3,948.44

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Solution

The fourth proportional to 10,517.90, 15,767.08 and 3,948.44 is: 5,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.90 : 15,767.08 = 3,948.44 : x
  2. Step 2: Convert to fraction form
    10,517.90/15,767.08 = 3,948.44/x
  3. Step 3: Cross multiply
    10,517.90x = 15,767.08 × 3,948.44
  4. Step 4: Simplify right side
    10,517.90x = 62,255,280.65
  5. Step 5: Solve for x
    x = 62,255,280.65/10,517.90
  6. Step 6: Final answer
    x = 5,918.99

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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.