Home / 13,689.51-20,534.22-3,301.26

Finding the Fourth Proportional to 13,689.51, 20,534.22 and 3,301.26

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Solution

The fourth proportional to 13,689.51, 20,534.22 and 3,301.26 is: 4,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689.51 : 20,534.22 = 3,301.26 : x
  2. Step 2: Convert to fraction form
    13,689.51/20,534.22 = 3,301.26/x
  3. Step 3: Cross multiply
    13,689.51x = 20,534.22 × 3,301.26
  4. Step 4: Simplify right side
    13,689.51x = 67,788,799.12
  5. Step 5: Solve for x
    x = 67,788,799.12/13,689.51
  6. Step 6: Final answer
    x = 4,951.88

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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.