Home / 11,112.84-15,335.56-6,076.96

Finding the Fourth Proportional to 11,112.84, 15,335.56 and 6,076.96

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Solution

The fourth proportional to 11,112.84, 15,335.56 and 6,076.96 is: 8,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.84 : 15,335.56 = 6,076.96 : x
  2. Step 2: Convert to fraction form
    11,112.84/15,335.56 = 6,076.96/x
  3. Step 3: Cross multiply
    11,112.84x = 15,335.56 × 6,076.96
  4. Step 4: Simplify right side
    11,112.84x = 93,193,584.70
  5. Step 5: Solve for x
    x = 93,193,584.70/11,112.84
  6. Step 6: Final answer
    x = 8,386.12

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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.