Home / 17,985.85-26,963.32-10,081.90

Finding the Fourth Proportional to 17,985.85, 26,963.32 and 10,081.90

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Solution

The fourth proportional to 17,985.85, 26,963.32 and 10,081.90 is: 15,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.85 : 26,963.32 = 10,081.90 : x
  2. Step 2: Convert to fraction form
    17,985.85/26,963.32 = 10,081.90/x
  3. Step 3: Cross multiply
    17,985.85x = 26,963.32 × 10,081.90
  4. Step 4: Simplify right side
    17,985.85x = 271,841,452.26
  5. Step 5: Solve for x
    x = 271,841,452.26/17,985.85
  6. Step 6: Final answer
    x = 15,114.18

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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.