Home / 17,160.89-25,731.48-9,145.79

Finding the Fourth Proportional to 17,160.89, 25,731.48 and 9,145.79

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Solution

The fourth proportional to 17,160.89, 25,731.48 and 9,145.79 is: 13,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,160.89 : 25,731.48 = 9,145.79 : x
  2. Step 2: Convert to fraction form
    17,160.89/25,731.48 = 9,145.79/x
  3. Step 3: Cross multiply
    17,160.89x = 25,731.48 × 9,145.79
  4. Step 4: Simplify right side
    17,160.89x = 235,334,776.80
  5. Step 5: Solve for x
    x = 235,334,776.80/17,160.89
  6. Step 6: Final answer
    x = 13,713.43

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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.