Home / 10,127.27-15,181.67-3,549.87

Finding the Fourth Proportional to 10,127.27, 15,181.67 and 3,549.87

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Solution

The fourth proportional to 10,127.27, 15,181.67 and 3,549.87 is: 5,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.27 : 15,181.67 = 3,549.87 : x
  2. Step 2: Convert to fraction form
    10,127.27/15,181.67 = 3,549.87/x
  3. Step 3: Cross multiply
    10,127.27x = 15,181.67 × 3,549.87
  4. Step 4: Simplify right side
    10,127.27x = 53,892,963.76
  5. Step 5: Solve for x
    x = 53,892,963.76/10,127.27
  6. Step 6: Final answer
    x = 5,321.57

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1.5x scale

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.