Home / 10,182.80-15,274.24-3,609.16

Finding the Fourth Proportional to 10,182.80, 15,274.24 and 3,609.16

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Solution

The fourth proportional to 10,182.80, 15,274.24 and 3,609.16 is: 5,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.80 : 15,274.24 = 3,609.16 : x
  2. Step 2: Convert to fraction form
    10,182.80/15,274.24 = 3,609.16/x
  3. Step 3: Cross multiply
    10,182.80x = 15,274.24 × 3,609.16
  4. Step 4: Simplify right side
    10,182.80x = 55,127,176.04
  5. Step 5: Solve for x
    x = 55,127,176.04/10,182.80
  6. Step 6: Final answer
    x = 5,413.75

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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.