Home / 9,161.71-13,744.38-3,617.66

Finding the Fourth Proportional to 9,161.71, 13,744.38 and 3,617.66

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Solution

The fourth proportional to 9,161.71, 13,744.38 and 3,617.66 is: 5,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.71 : 13,744.38 = 3,617.66 : x
  2. Step 2: Convert to fraction form
    9,161.71/13,744.38 = 3,617.66/x
  3. Step 3: Cross multiply
    9,161.71x = 13,744.38 × 3,617.66
  4. Step 4: Simplify right side
    9,161.71x = 49,722,541.68
  5. Step 5: Solve for x
    x = 49,722,541.68/9,161.71
  6. Step 6: Final answer
    x = 5,427.21

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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.