Home / 10,258.56-15,389.91-3,239.66

Finding the Fourth Proportional to 10,258.56, 15,389.91 and 3,239.66

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Solution

The fourth proportional to 10,258.56, 15,389.91 and 3,239.66 is: 4,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.56 : 15,389.91 = 3,239.66 : x
  2. Step 2: Convert to fraction form
    10,258.56/15,389.91 = 3,239.66/x
  3. Step 3: Cross multiply
    10,258.56x = 15,389.91 × 3,239.66
  4. Step 4: Simplify right side
    10,258.56x = 49,858,114.31
  5. Step 5: Solve for x
    x = 49,858,114.31/10,258.56
  6. Step 6: Final answer
    x = 4,860.15

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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.