Home / 10,258.31-15,389.54-3,239.41

Finding the Fourth Proportional to 10,258.31, 15,389.54 and 3,239.41

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Solution

The fourth proportional to 10,258.31, 15,389.54 and 3,239.41 is: 4,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.31 : 15,389.54 = 3,239.41 : x
  2. Step 2: Convert to fraction form
    10,258.31/15,389.54 = 3,239.41/x
  3. Step 3: Cross multiply
    10,258.31x = 15,389.54 × 3,239.41
  4. Step 4: Simplify right side
    10,258.31x = 49,853,029.77
  5. Step 5: Solve for x
    x = 49,853,029.77/10,258.31
  6. Step 6: Final answer
    x = 4,859.77

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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.