Home / 21,132.09-31,693.55-6,337.04

Finding the Fourth Proportional to 21,132.09, 31,693.55 and 6,337.04

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Solution

The fourth proportional to 21,132.09, 31,693.55 and 6,337.04 is: 9,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,132.09 : 31,693.55 = 6,337.04 : x
  2. Step 2: Convert to fraction form
    21,132.09/31,693.55 = 6,337.04/x
  3. Step 3: Cross multiply
    21,132.09x = 31,693.55 × 6,337.04
  4. Step 4: Simplify right side
    21,132.09x = 200,843,103.94
  5. Step 5: Solve for x
    x = 200,843,103.94/21,132.09
  6. Step 6: Final answer
    x = 9,504.18

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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.