Home / 10,190.27-15,278.16-3,945.01

Finding the Fourth Proportional to 10,190.27, 15,278.16 and 3,945.01

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Solution

The fourth proportional to 10,190.27, 15,278.16 and 3,945.01 is: 5,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.27 : 15,278.16 = 3,945.01 : x
  2. Step 2: Convert to fraction form
    10,190.27/15,278.16 = 3,945.01/x
  3. Step 3: Cross multiply
    10,190.27x = 15,278.16 × 3,945.01
  4. Step 4: Simplify right side
    10,190.27x = 60,272,493.98
  5. Step 5: Solve for x
    x = 60,272,493.98/10,190.27
  6. Step 6: Final answer
    x = 5,914.71

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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.