Home / 9,170.03-12,654.32-5,191.07

Finding the Fourth Proportional to 9,170.03, 12,654.32 and 5,191.07

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Solution

The fourth proportional to 9,170.03, 12,654.32 and 5,191.07 is: 7,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.03 : 12,654.32 = 5,191.07 : x
  2. Step 2: Convert to fraction form
    9,170.03/12,654.32 = 5,191.07/x
  3. Step 3: Cross multiply
    9,170.03x = 12,654.32 × 5,191.07
  4. Step 4: Simplify right side
    9,170.03x = 65,689,371.70
  5. Step 5: Solve for x
    x = 65,689,371.70/9,170.03
  6. Step 6: Final answer
    x = 7,163.48

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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.