Home / 16,948.20-25,418.38-6,419.44

Finding the Fourth Proportional to 16,948.20, 25,418.38 and 6,419.44

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Solution

The fourth proportional to 16,948.20, 25,418.38 and 6,419.44 is: 9,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.20 : 25,418.38 = 6,419.44 : x
  2. Step 2: Convert to fraction form
    16,948.20/25,418.38 = 6,419.44/x
  3. Step 3: Cross multiply
    16,948.20x = 25,418.38 × 6,419.44
  4. Step 4: Simplify right side
    16,948.20x = 163,171,765.31
  5. Step 5: Solve for x
    x = 163,171,765.31/16,948.20
  6. Step 6: Final answer
    x = 9,627.68

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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.