Home / 10,228.44-15,340.68-3,207.40

Finding the Fourth Proportional to 10,228.44, 15,340.68 and 3,207.40

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Solution

The fourth proportional to 10,228.44, 15,340.68 and 3,207.40 is: 4,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.44 : 15,340.68 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    10,228.44/15,340.68 = 3,207.40/x
  3. Step 3: Cross multiply
    10,228.44x = 15,340.68 × 3,207.40
  4. Step 4: Simplify right side
    10,228.44x = 49,203,697.03
  5. Step 5: Solve for x
    x = 49,203,697.03/10,228.44
  6. Step 6: Final answer
    x = 4,810.48

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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.