Home / 12,505.76-18,748.91-6,262.56

Finding the Fourth Proportional to 12,505.76, 18,748.91 and 6,262.56

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Solution

The fourth proportional to 12,505.76, 18,748.91 and 6,262.56 is: 9,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.76 : 18,748.91 = 6,262.56 : x
  2. Step 2: Convert to fraction form
    12,505.76/18,748.91 = 6,262.56/x
  3. Step 3: Cross multiply
    12,505.76x = 18,748.91 × 6,262.56
  4. Step 4: Simplify right side
    12,505.76x = 117,416,142.50
  5. Step 5: Solve for x
    x = 117,416,142.50/12,505.76
  6. Step 6: Final answer
    x = 9,388.97

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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.