Home / 10,181.28-15,269.06-3,605.70

Finding the Fourth Proportional to 10,181.28, 15,269.06 and 3,605.70

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Solution

The fourth proportional to 10,181.28, 15,269.06 and 3,605.70 is: 5,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.28 : 15,269.06 = 3,605.70 : x
  2. Step 2: Convert to fraction form
    10,181.28/15,269.06 = 3,605.70/x
  3. Step 3: Cross multiply
    10,181.28x = 15,269.06 × 3,605.70
  4. Step 4: Simplify right side
    10,181.28x = 55,055,649.64
  5. Step 5: Solve for x
    x = 55,055,649.64/10,181.28
  6. Step 6: Final answer
    x = 5,407.54

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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.