Home / 10,081.44-15,126.48-4,239.36

Finding the Fourth Proportional to 10,081.44, 15,126.48 and 4,239.36

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Solution

The fourth proportional to 10,081.44, 15,126.48 and 4,239.36 is: 6,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.44 : 15,126.48 = 4,239.36 : x
  2. Step 2: Convert to fraction form
    10,081.44/15,126.48 = 4,239.36/x
  3. Step 3: Cross multiply
    10,081.44x = 15,126.48 × 4,239.36
  4. Step 4: Simplify right side
    10,081.44x = 64,126,594.25
  5. Step 5: Solve for x
    x = 64,126,594.25/10,081.44
  6. Step 6: Final answer
    x = 6,360.86

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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.