Home / 11,091.11-15,308.28-7,314.95

Finding the Fourth Proportional to 11,091.11, 15,308.28 and 7,314.95

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Solution

The fourth proportional to 11,091.11, 15,308.28 and 7,314.95 is: 10,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.11 : 15,308.28 = 7,314.95 : x
  2. Step 2: Convert to fraction form
    11,091.11/15,308.28 = 7,314.95/x
  3. Step 3: Cross multiply
    11,091.11x = 15,308.28 × 7,314.95
  4. Step 4: Simplify right side
    11,091.11x = 111,979,226.24
  5. Step 5: Solve for x
    x = 111,979,226.24/11,091.11
  6. Step 6: Final answer
    x = 10,096.31

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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.