Home / 10,265.32-15,400.06-3,246.42

Finding the Fourth Proportional to 10,265.32, 15,400.06 and 3,246.42

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Solution

The fourth proportional to 10,265.32, 15,400.06 and 3,246.42 is: 4,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.32 : 15,400.06 = 3,246.42 : x
  2. Step 2: Convert to fraction form
    10,265.32/15,400.06 = 3,246.42/x
  3. Step 3: Cross multiply
    10,265.32x = 15,400.06 × 3,246.42
  4. Step 4: Simplify right side
    10,265.32x = 49,995,062.79
  5. Step 5: Solve for x
    x = 49,995,062.79/10,265.32
  6. Step 6: Final answer
    x = 4,870.29

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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.