Home / 17,445.78-26,171.10-5,757.75

Finding the Fourth Proportional to 17,445.78, 26,171.10 and 5,757.75

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Solution

The fourth proportional to 17,445.78, 26,171.10 and 5,757.75 is: 8,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.78 : 26,171.10 = 5,757.75 : x
  2. Step 2: Convert to fraction form
    17,445.78/26,171.10 = 5,757.75/x
  3. Step 3: Cross multiply
    17,445.78x = 26,171.10 × 5,757.75
  4. Step 4: Simplify right side
    17,445.78x = 150,686,651.03
  5. Step 5: Solve for x
    x = 150,686,651.03/17,445.78
  6. Step 6: Final answer
    x = 8,637.43

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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.