Home / 10,399.38-15,598.89-2,608.08

Finding the Fourth Proportional to 10,399.38, 15,598.89 and 2,608.08

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Solution

The fourth proportional to 10,399.38, 15,598.89 and 2,608.08 is: 3,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.38 : 15,598.89 = 2,608.08 : x
  2. Step 2: Convert to fraction form
    10,399.38/15,598.89 = 2,608.08/x
  3. Step 3: Cross multiply
    10,399.38x = 15,598.89 × 2,608.08
  4. Step 4: Simplify right side
    10,399.38x = 40,683,153.03
  5. Step 5: Solve for x
    x = 40,683,153.03/10,399.38
  6. Step 6: Final answer
    x = 3,912.07

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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.