Home / 11,738.46-17,607.96-4,719.18

Finding the Fourth Proportional to 11,738.46, 17,607.96 and 4,719.18

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Solution

The fourth proportional to 11,738.46, 17,607.96 and 4,719.18 is: 7,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.46 : 17,607.96 = 4,719.18 : x
  2. Step 2: Convert to fraction form
    11,738.46/17,607.96 = 4,719.18/x
  3. Step 3: Cross multiply
    11,738.46x = 17,607.96 × 4,719.18
  4. Step 4: Simplify right side
    11,738.46x = 83,095,132.67
  5. Step 5: Solve for x
    x = 83,095,132.67/11,738.46
  6. Step 6: Final answer
    x = 7,078.88

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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.