Home / 9,168.53-13,754.66-2,928.36

Finding the Fourth Proportional to 9,168.53, 13,754.66 and 2,928.36

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Solution

The fourth proportional to 9,168.53, 13,754.66 and 2,928.36 is: 4,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.53 : 13,754.66 = 2,928.36 : x
  2. Step 2: Convert to fraction form
    9,168.53/13,754.66 = 2,928.36/x
  3. Step 3: Cross multiply
    9,168.53x = 13,754.66 × 2,928.36
  4. Step 4: Simplify right side
    9,168.53x = 40,278,581.52
  5. Step 5: Solve for x
    x = 40,278,581.52/9,168.53
  6. Step 6: Final answer
    x = 4,393.13

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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.