Home / 21,701.43-29,950.17-13,204.14

Finding the Fourth Proportional to 21,701.43, 29,950.17 and 13,204.14

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Solution

The fourth proportional to 21,701.43, 29,950.17 and 13,204.14 is: 18,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.43 : 29,950.17 = 13,204.14 : x
  2. Step 2: Convert to fraction form
    21,701.43/29,950.17 = 13,204.14/x
  3. Step 3: Cross multiply
    21,701.43x = 29,950.17 × 13,204.14
  4. Step 4: Simplify right side
    21,701.43x = 395,466,237.70
  5. Step 5: Solve for x
    x = 395,466,237.70/21,701.43
  6. Step 6: Final answer
    x = 18,223.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.