Home / 10,487.67-15,736.98-4,252.29

Finding the Fourth Proportional to 10,487.67, 15,736.98 and 4,252.29

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Solution

The fourth proportional to 10,487.67, 15,736.98 and 4,252.29 is: 6,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.67 : 15,736.98 = 4,252.29 : x
  2. Step 2: Convert to fraction form
    10,487.67/15,736.98 = 4,252.29/x
  3. Step 3: Cross multiply
    10,487.67x = 15,736.98 × 4,252.29
  4. Step 4: Simplify right side
    10,487.67x = 66,918,181.42
  5. Step 5: Solve for x
    x = 66,918,181.42/10,487.67
  6. Step 6: Final answer
    x = 6,380.65

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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.