Home / 10,190.92-15,288.69-3,617.11

Finding the Fourth Proportional to 10,190.92, 15,288.69 and 3,617.11

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Solution

The fourth proportional to 10,190.92, 15,288.69 and 3,617.11 is: 5,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.92 : 15,288.69 = 3,617.11 : x
  2. Step 2: Convert to fraction form
    10,190.92/15,288.69 = 3,617.11/x
  3. Step 3: Cross multiply
    10,190.92x = 15,288.69 × 3,617.11
  4. Step 4: Simplify right side
    10,190.92x = 55,300,873.49
  5. Step 5: Solve for x
    x = 55,300,873.49/10,190.92
  6. Step 6: Final answer
    x = 5,426.48

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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.