Home / 10,361.19-15,542.78-4,119.81

Finding the Fourth Proportional to 10,361.19, 15,542.78 and 4,119.81

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Solution

The fourth proportional to 10,361.19, 15,542.78 and 4,119.81 is: 6,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.19 : 15,542.78 = 4,119.81 : x
  2. Step 2: Convert to fraction form
    10,361.19/15,542.78 = 4,119.81/x
  3. Step 3: Cross multiply
    10,361.19x = 15,542.78 × 4,119.81
  4. Step 4: Simplify right side
    10,361.19x = 64,033,332.19
  5. Step 5: Solve for x
    x = 64,033,332.19/10,361.19
  6. Step 6: Final answer
    x = 6,180.11

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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.