Home / 10,126.54-13,974.54-5,589.26

Finding the Fourth Proportional to 10,126.54, 13,974.54 and 5,589.26

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Solution

The fourth proportional to 10,126.54, 13,974.54 and 5,589.26 is: 7,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.54 : 13,974.54 = 5,589.26 : x
  2. Step 2: Convert to fraction form
    10,126.54/13,974.54 = 5,589.26/x
  3. Step 3: Cross multiply
    10,126.54x = 13,974.54 × 5,589.26
  4. Step 4: Simplify right side
    10,126.54x = 78,107,337.44
  5. Step 5: Solve for x
    x = 78,107,337.44/10,126.54
  6. Step 6: Final answer
    x = 7,713.13

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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.