Home / 17,418.90-26,108.88-7,543.38

Finding the Fourth Proportional to 17,418.90, 26,108.88 and 7,543.38

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Solution

The fourth proportional to 17,418.90, 26,108.88 and 7,543.38 is: 11,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.90 : 26,108.88 = 7,543.38 : x
  2. Step 2: Convert to fraction form
    17,418.90/26,108.88 = 7,543.38/x
  3. Step 3: Cross multiply
    17,418.90x = 26,108.88 × 7,543.38
  4. Step 4: Simplify right side
    17,418.90x = 196,949,203.21
  5. Step 5: Solve for x
    x = 196,949,203.21/17,418.90
  6. Step 6: Final answer
    x = 11,306.64

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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.