Home / 16,887.30-25,328.66-4,408.31

Finding the Fourth Proportional to 16,887.30, 25,328.66 and 4,408.31

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Solution

The fourth proportional to 16,887.30, 25,328.66 and 4,408.31 is: 6,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.30 : 25,328.66 = 4,408.31 : x
  2. Step 2: Convert to fraction form
    16,887.30/25,328.66 = 4,408.31/x
  3. Step 3: Cross multiply
    16,887.30x = 25,328.66 × 4,408.31
  4. Step 4: Simplify right side
    16,887.30x = 111,656,436.48
  5. Step 5: Solve for x
    x = 111,656,436.48/16,887.30
  6. Step 6: Final answer
    x = 6,611.86

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1.5x scale

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.