Home / 9,319.68-13,976.16-3,162.24

Finding the Fourth Proportional to 9,319.68, 13,976.16 and 3,162.24

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Solution

The fourth proportional to 9,319.68, 13,976.16 and 3,162.24 is: 4,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.68 : 13,976.16 = 3,162.24 : x
  2. Step 2: Convert to fraction form
    9,319.68/13,976.16 = 3,162.24/x
  3. Step 3: Cross multiply
    9,319.68x = 13,976.16 × 3,162.24
  4. Step 4: Simplify right side
    9,319.68x = 44,195,972.20
  5. Step 5: Solve for x
    x = 44,195,972.20/9,319.68
  6. Step 6: Final answer
    x = 4,742.22

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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.