Home / 21,404.52-32,106.96-6,613.38

Finding the Fourth Proportional to 21,404.52, 32,106.96 and 6,613.38

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Solution

The fourth proportional to 21,404.52, 32,106.96 and 6,613.38 is: 9,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.52 : 32,106.96 = 6,613.38 : x
  2. Step 2: Convert to fraction form
    21,404.52/32,106.96 = 6,613.38/x
  3. Step 3: Cross multiply
    21,404.52x = 32,106.96 × 6,613.38
  4. Step 4: Simplify right side
    21,404.52x = 212,335,527.12
  5. Step 5: Solve for x
    x = 212,335,527.12/21,404.52
  6. Step 6: Final answer
    x = 9,920.13

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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.