Home / 11,356.47-17,040.38-7,184.97

Finding the Fourth Proportional to 11,356.47, 17,040.38 and 7,184.97

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Solution

The fourth proportional to 11,356.47, 17,040.38 and 7,184.97 is: 10,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.47 : 17,040.38 = 7,184.97 : x
  2. Step 2: Convert to fraction form
    11,356.47/17,040.38 = 7,184.97/x
  3. Step 3: Cross multiply
    11,356.47x = 17,040.38 × 7,184.97
  4. Step 4: Simplify right side
    11,356.47x = 122,434,583.16
  5. Step 5: Solve for x
    x = 122,434,583.16/11,356.47
  6. Step 6: Final answer
    x = 10,781.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.