Home / 9,255.68-13,881.96-3,989.24

Finding the Fourth Proportional to 9,255.68, 13,881.96 and 3,989.24

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Solution

The fourth proportional to 9,255.68, 13,881.96 and 3,989.24 is: 5,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.68 : 13,881.96 = 3,989.24 : x
  2. Step 2: Convert to fraction form
    9,255.68/13,881.96 = 3,989.24/x
  3. Step 3: Cross multiply
    9,255.68x = 13,881.96 × 3,989.24
  4. Step 4: Simplify right side
    9,255.68x = 55,378,470.11
  5. Step 5: Solve for x
    x = 55,378,470.11/9,255.68
  6. Step 6: Final answer
    x = 5,983.19

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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.