Home / 10,126.46-13,974.53-5,650.09

Finding the Fourth Proportional to 10,126.46, 13,974.53 and 5,650.09

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Solution

The fourth proportional to 10,126.46, 13,974.53 and 5,650.09 is: 7,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.46 : 13,974.53 = 5,650.09 : x
  2. Step 2: Convert to fraction form
    10,126.46/13,974.53 = 5,650.09/x
  3. Step 3: Cross multiply
    10,126.46x = 13,974.53 × 5,650.09
  4. Step 4: Simplify right side
    10,126.46x = 78,957,352.21
  5. Step 5: Solve for x
    x = 78,957,352.21/10,126.46
  6. Step 6: Final answer
    x = 7,797.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.