Home / 11,112.62-15,335.30-6,076.78

Finding the Fourth Proportional to 11,112.62, 15,335.30 and 6,076.78

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Solution

The fourth proportional to 11,112.62, 15,335.30 and 6,076.78 is: 8,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.62 : 15,335.30 = 6,076.78 : x
  2. Step 2: Convert to fraction form
    11,112.62/15,335.30 = 6,076.78/x
  3. Step 3: Cross multiply
    11,112.62x = 15,335.30 × 6,076.78
  4. Step 4: Simplify right side
    11,112.62x = 93,189,221.19
  5. Step 5: Solve for x
    x = 93,189,221.19/11,112.62
  6. Step 6: Final answer
    x = 8,385.89

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1.5x scale

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.