Home / 21,808.22-32,717.97-9,151.19

Finding the Fourth Proportional to 21,808.22, 32,717.97 and 9,151.19

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Solution

The fourth proportional to 21,808.22, 32,717.97 and 9,151.19 is: 13,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808.22 : 32,717.97 = 9,151.19 : x
  2. Step 2: Convert to fraction form
    21,808.22/32,717.97 = 9,151.19/x
  3. Step 3: Cross multiply
    21,808.22x = 32,717.97 × 9,151.19
  4. Step 4: Simplify right side
    21,808.22x = 299,408,196.29
  5. Step 5: Solve for x
    x = 299,408,196.29/21,808.22
  6. Step 6: Final answer
    x = 13,729.15

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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.