Home / 10,258.32-15,389.54-3,239.42

Finding the Fourth Proportional to 10,258.32, 15,389.54 and 3,239.42

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Solution

The fourth proportional to 10,258.32, 15,389.54 and 3,239.42 is: 4,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.32 : 15,389.54 = 3,239.42 : x
  2. Step 2: Convert to fraction form
    10,258.32/15,389.54 = 3,239.42/x
  3. Step 3: Cross multiply
    10,258.32x = 15,389.54 × 3,239.42
  4. Step 4: Simplify right side
    10,258.32x = 49,853,183.67
  5. Step 5: Solve for x
    x = 49,853,183.67/10,258.32
  6. Step 6: Final answer
    x = 4,859.78

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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.