Home / 21,195.62-31,794.04-5,613.26

Finding the Fourth Proportional to 21,195.62, 31,794.04 and 5,613.26

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Solution

The fourth proportional to 21,195.62, 31,794.04 and 5,613.26 is: 8,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.62 : 31,794.04 = 5,613.26 : x
  2. Step 2: Convert to fraction form
    21,195.62/31,794.04 = 5,613.26/x
  3. Step 3: Cross multiply
    21,195.62x = 31,794.04 × 5,613.26
  4. Step 4: Simplify right side
    21,195.62x = 178,468,212.97
  5. Step 5: Solve for x
    x = 178,468,212.97/21,195.62
  6. Step 6: Final answer
    x = 8,420.05

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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.