Home / 11,306.11-15,605.27-7,275.65

Finding the Fourth Proportional to 11,306.11, 15,605.27 and 7,275.65

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Solution

The fourth proportional to 11,306.11, 15,605.27 and 7,275.65 is: 10,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.11 : 15,605.27 = 7,275.65 : x
  2. Step 2: Convert to fraction form
    11,306.11/15,605.27 = 7,275.65/x
  3. Step 3: Cross multiply
    11,306.11x = 15,605.27 × 7,275.65
  4. Step 4: Simplify right side
    11,306.11x = 113,538,449.68
  5. Step 5: Solve for x
    x = 113,538,449.68/11,306.11
  6. Step 6: Final answer
    x = 10,042.22

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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.