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Finding the Fourth Proportional to 17,862.88, 26,791.08 and 6,174.04

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Solution

The fourth proportional to 17,862.88, 26,791.08 and 6,174.04 is: 9,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,862.88 : 26,791.08 = 6,174.04 : x
  2. Step 2: Convert to fraction form
    17,862.88/26,791.08 = 6,174.04/x
  3. Step 3: Cross multiply
    17,862.88x = 26,791.08 × 6,174.04
  4. Step 4: Simplify right side
    17,862.88x = 165,409,199.56
  5. Step 5: Solve for x
    x = 165,409,199.56/17,862.88
  6. Step 6: Final answer
    x = 9,259.94

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1.5x scale

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.