Home / 10,147.48-15,219.29-2,750.96

Finding the Fourth Proportional to 10,147.48, 15,219.29 and 2,750.96

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Solution

The fourth proportional to 10,147.48, 15,219.29 and 2,750.96 is: 4,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.48 : 15,219.29 = 2,750.96 : x
  2. Step 2: Convert to fraction form
    10,147.48/15,219.29 = 2,750.96/x
  3. Step 3: Cross multiply
    10,147.48x = 15,219.29 × 2,750.96
  4. Step 4: Simplify right side
    10,147.48x = 41,867,702.94
  5. Step 5: Solve for x
    x = 41,867,702.94/10,147.48
  6. Step 6: Final answer
    x = 4,125.92

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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.