Home / 11,591.40-17,385.54-6,912.03

Finding the Fourth Proportional to 11,591.40, 17,385.54 and 6,912.03

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Solution

The fourth proportional to 11,591.40, 17,385.54 and 6,912.03 is: 10,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.40 : 17,385.54 = 6,912.03 : x
  2. Step 2: Convert to fraction form
    11,591.40/17,385.54 = 6,912.03/x
  3. Step 3: Cross multiply
    11,591.40x = 17,385.54 × 6,912.03
  4. Step 4: Simplify right side
    11,591.40x = 120,169,413.32
  5. Step 5: Solve for x
    x = 120,169,413.32/11,591.40
  6. Step 6: Final answer
    x = 10,367.11

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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.