Home / 18,278.49-27,413.67-5,132.19

Finding the Fourth Proportional to 18,278.49, 27,413.67 and 5,132.19

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Solution

The fourth proportional to 18,278.49, 27,413.67 and 5,132.19 is: 7,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.49 : 27,413.67 = 5,132.19 : x
  2. Step 2: Convert to fraction form
    18,278.49/27,413.67 = 5,132.19/x
  3. Step 3: Cross multiply
    18,278.49x = 27,413.67 × 5,132.19
  4. Step 4: Simplify right side
    18,278.49x = 140,692,163.04
  5. Step 5: Solve for x
    x = 140,692,163.04/18,278.49
  6. Step 6: Final answer
    x = 7,697.14

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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.