Home / 16,982.18-25,436.40-10,388.36

Finding the Fourth Proportional to 16,982.18, 25,436.40 and 10,388.36

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Solution

The fourth proportional to 16,982.18, 25,436.40 and 10,388.36 is: 15,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.18 : 25,436.40 = 10,388.36 : x
  2. Step 2: Convert to fraction form
    16,982.18/25,436.40 = 10,388.36/x
  3. Step 3: Cross multiply
    16,982.18x = 25,436.40 × 10,388.36
  4. Step 4: Simplify right side
    16,982.18x = 264,242,480.30
  5. Step 5: Solve for x
    x = 264,242,480.30/16,982.18
  6. Step 6: Final answer
    x = 15,559.99

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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.