Home / 10,126.44-15,190.92-4,281.57

Finding the Fourth Proportional to 10,126.44, 15,190.92 and 4,281.57

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Solution

The fourth proportional to 10,126.44, 15,190.92 and 4,281.57 is: 6,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.44 : 15,190.92 = 4,281.57 : x
  2. Step 2: Convert to fraction form
    10,126.44/15,190.92 = 4,281.57/x
  3. Step 3: Cross multiply
    10,126.44x = 15,190.92 × 4,281.57
  4. Step 4: Simplify right side
    10,126.44x = 65,040,987.34
  5. Step 5: Solve for x
    x = 65,040,987.34/10,126.44
  6. Step 6: Final answer
    x = 6,422.89

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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.