Home / 17,490.72-26,243.82-9,168.75

Finding the Fourth Proportional to 17,490.72, 26,243.82 and 9,168.75

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Solution

The fourth proportional to 17,490.72, 26,243.82 and 9,168.75 is: 13,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.72 : 26,243.82 = 9,168.75 : x
  2. Step 2: Convert to fraction form
    17,490.72/26,243.82 = 9,168.75/x
  3. Step 3: Cross multiply
    17,490.72x = 26,243.82 × 9,168.75
  4. Step 4: Simplify right side
    17,490.72x = 240,623,024.63
  5. Step 5: Solve for x
    x = 240,623,024.63/17,490.72
  6. Step 6: Final answer
    x = 13,757.18

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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.