Home / 10,161.28-15,243.84-3,235.84

Finding the Fourth Proportional to 10,161.28, 15,243.84 and 3,235.84

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Solution

The fourth proportional to 10,161.28, 15,243.84 and 3,235.84 is: 4,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.28 : 15,243.84 = 3,235.84 : x
  2. Step 2: Convert to fraction form
    10,161.28/15,243.84 = 3,235.84/x
  3. Step 3: Cross multiply
    10,161.28x = 15,243.84 × 3,235.84
  4. Step 4: Simplify right side
    10,161.28x = 49,326,627.23
  5. Step 5: Solve for x
    x = 49,326,627.23/10,161.28
  6. Step 6: Final answer
    x = 4,854.37

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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.