Home / 9,021.17-13,531.66-3,176.42

Finding the Fourth Proportional to 9,021.17, 13,531.66 and 3,176.42

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Solution

The fourth proportional to 9,021.17, 13,531.66 and 3,176.42 is: 4,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.17 : 13,531.66 = 3,176.42 : x
  2. Step 2: Convert to fraction form
    9,021.17/13,531.66 = 3,176.42/x
  3. Step 3: Cross multiply
    9,021.17x = 13,531.66 × 3,176.42
  4. Step 4: Simplify right side
    9,021.17x = 42,982,159.86
  5. Step 5: Solve for x
    x = 42,982,159.86/9,021.17
  6. Step 6: Final answer
    x = 4,764.59

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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.