Home / 16,986.36-25,432.30-8,648.43

Finding the Fourth Proportional to 16,986.36, 25,432.30 and 8,648.43

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Solution

The fourth proportional to 16,986.36, 25,432.30 and 8,648.43 is: 12,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.36 : 25,432.30 = 8,648.43 : x
  2. Step 2: Convert to fraction form
    16,986.36/25,432.30 = 8,648.43/x
  3. Step 3: Cross multiply
    16,986.36x = 25,432.30 × 8,648.43
  4. Step 4: Simplify right side
    16,986.36x = 219,949,466.29
  5. Step 5: Solve for x
    x = 219,949,466.29/16,986.36
  6. Step 6: Final answer
    x = 12,948.59

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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.