Home / 13,540.13-20,301.54-6,506.15

Finding the Fourth Proportional to 13,540.13, 20,301.54 and 6,506.15

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Solution

The fourth proportional to 13,540.13, 20,301.54 and 6,506.15 is: 9,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540.13 : 20,301.54 = 6,506.15 : x
  2. Step 2: Convert to fraction form
    13,540.13/20,301.54 = 6,506.15/x
  3. Step 3: Cross multiply
    13,540.13x = 20,301.54 × 6,506.15
  4. Step 4: Simplify right side
    13,540.13x = 132,084,801.03
  5. Step 5: Solve for x
    x = 132,084,801.03/13,540.13
  6. Step 6: Final answer
    x = 9,755.06

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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.