Home / 10,399.38-15,598.80-2,608.26

Finding the Fourth Proportional to 10,399.38, 15,598.80 and 2,608.26

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Solution

The fourth proportional to 10,399.38, 15,598.80 and 2,608.26 is: 3,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.38 : 15,598.80 = 2,608.26 : x
  2. Step 2: Convert to fraction form
    10,399.38/15,598.80 = 2,608.26/x
  3. Step 3: Cross multiply
    10,399.38x = 15,598.80 × 2,608.26
  4. Step 4: Simplify right side
    10,399.38x = 40,685,726.09
  5. Step 5: Solve for x
    x = 40,685,726.09/10,399.38
  6. Step 6: Final answer
    x = 3,912.32

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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.