Home / 10,205.28-15,309.36-3,629.52

Finding the Fourth Proportional to 10,205.28, 15,309.36 and 3,629.52

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Solution

The fourth proportional to 10,205.28, 15,309.36 and 3,629.52 is: 5,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.28 : 15,309.36 = 3,629.52 : x
  2. Step 2: Convert to fraction form
    10,205.28/15,309.36 = 3,629.52/x
  3. Step 3: Cross multiply
    10,205.28x = 15,309.36 × 3,629.52
  4. Step 4: Simplify right side
    10,205.28x = 55,565,628.31
  5. Step 5: Solve for x
    x = 55,565,628.31/10,205.28
  6. Step 6: Final answer
    x = 5,444.79

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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.