Home / 10,359.09-15,517.17-5,413.70

Finding the Fourth Proportional to 10,359.09, 15,517.17 and 5,413.70

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Solution

The fourth proportional to 10,359.09, 15,517.17 and 5,413.70 is: 8,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.09 : 15,517.17 = 5,413.70 : x
  2. Step 2: Convert to fraction form
    10,359.09/15,517.17 = 5,413.70/x
  3. Step 3: Cross multiply
    10,359.09x = 15,517.17 × 5,413.70
  4. Step 4: Simplify right side
    10,359.09x = 84,005,342.02
  5. Step 5: Solve for x
    x = 84,005,342.02/10,359.09
  6. Step 6: Final answer
    x = 8,109.34

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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.