Home / 21,195.52-31,793.26-5,613.16

Finding the Fourth Proportional to 21,195.52, 31,793.26 and 5,613.16

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Solution

The fourth proportional to 21,195.52, 31,793.26 and 5,613.16 is: 8,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.52 : 31,793.26 = 5,613.16 : x
  2. Step 2: Convert to fraction form
    21,195.52/31,793.26 = 5,613.16/x
  3. Step 3: Cross multiply
    21,195.52x = 31,793.26 × 5,613.16
  4. Step 4: Simplify right side
    21,195.52x = 178,460,655.30
  5. Step 5: Solve for x
    x = 178,460,655.30/21,195.52
  6. Step 6: Final answer
    x = 8,419.73

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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.