Home / 9,170.14-12,654.41-5,191.48

Finding the Fourth Proportional to 9,170.14, 12,654.41 and 5,191.48

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Solution

The fourth proportional to 9,170.14, 12,654.41 and 5,191.48 is: 7,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.14 : 12,654.41 = 5,191.48 : x
  2. Step 2: Convert to fraction form
    9,170.14/12,654.41 = 5,191.48/x
  3. Step 3: Cross multiply
    9,170.14x = 12,654.41 × 5,191.48
  4. Step 4: Simplify right side
    9,170.14x = 65,695,027.20
  5. Step 5: Solve for x
    x = 65,695,027.20/9,170.14
  6. Step 6: Final answer
    x = 7,164.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.