Home / 11,382.74-15,716.27-9,499.19

Finding the Fourth Proportional to 11,382.74, 15,716.27 and 9,499.19

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Solution

The fourth proportional to 11,382.74, 15,716.27 and 9,499.19 is: 13,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.74 : 15,716.27 = 9,499.19 : x
  2. Step 2: Convert to fraction form
    11,382.74/15,716.27 = 9,499.19/x
  3. Step 3: Cross multiply
    11,382.74x = 15,716.27 × 9,499.19
  4. Step 4: Simplify right side
    11,382.74x = 149,291,708.74
  5. Step 5: Solve for x
    x = 149,291,708.74/11,382.74
  6. Step 6: Final answer
    x = 13,115.63

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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.