Home / 9,213.92-12,613.48-9,148.04

Finding the Fourth Proportional to 9,213.92, 12,613.48 and 9,148.04

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Solution

The fourth proportional to 9,213.92, 12,613.48 and 9,148.04 is: 12,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.92 : 12,613.48 = 9,148.04 : x
  2. Step 2: Convert to fraction form
    9,213.92/12,613.48 = 9,148.04/x
  3. Step 3: Cross multiply
    9,213.92x = 12,613.48 × 9,148.04
  4. Step 4: Simplify right side
    9,213.92x = 115,388,619.58
  5. Step 5: Solve for x
    x = 115,388,619.58/9,213.92
  6. Step 6: Final answer
    x = 12,523.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.