Home / 11,412.48-15,748.66-6,375.70

Finding the Fourth Proportional to 11,412.48, 15,748.66 and 6,375.70

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Solution

The fourth proportional to 11,412.48, 15,748.66 and 6,375.70 is: 8,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.48 : 15,748.66 = 6,375.70 : x
  2. Step 2: Convert to fraction form
    11,412.48/15,748.66 = 6,375.70/x
  3. Step 3: Cross multiply
    11,412.48x = 15,748.66 × 6,375.70
  4. Step 4: Simplify right side
    11,412.48x = 100,408,731.56
  5. Step 5: Solve for x
    x = 100,408,731.56/11,412.48
  6. Step 6: Final answer
    x = 8,798.15

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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.