Home / 11,091.31-15,304.75-6,377.11

Finding the Fourth Proportional to 11,091.31, 15,304.75 and 6,377.11

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Solution

The fourth proportional to 11,091.31, 15,304.75 and 6,377.11 is: 8,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.31 : 15,304.75 = 6,377.11 : x
  2. Step 2: Convert to fraction form
    11,091.31/15,304.75 = 6,377.11/x
  3. Step 3: Cross multiply
    11,091.31x = 15,304.75 × 6,377.11
  4. Step 4: Simplify right side
    11,091.31x = 97,600,074.27
  5. Step 5: Solve for x
    x = 97,600,074.27/11,091.31
  6. Step 6: Final answer
    x = 8,799.69

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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.