Home / 13,091.82-19,640.15-4,332.88

Finding the Fourth Proportional to 13,091.82, 19,640.15 and 4,332.88

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Solution

The fourth proportional to 13,091.82, 19,640.15 and 4,332.88 is: 6,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.82 : 19,640.15 = 4,332.88 : x
  2. Step 2: Convert to fraction form
    13,091.82/19,640.15 = 4,332.88/x
  3. Step 3: Cross multiply
    13,091.82x = 19,640.15 × 4,332.88
  4. Step 4: Simplify right side
    13,091.82x = 85,098,413.13
  5. Step 5: Solve for x
    x = 85,098,413.13/13,091.82
  6. Step 6: Final answer
    x = 6,500.12

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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.