Home / 16,778.40-25,167.60-11,248.80

Finding the Fourth Proportional to 16,778.40, 25,167.60 and 11,248.80

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Solution

The fourth proportional to 16,778.40, 25,167.60 and 11,248.80 is: 16,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.40 : 25,167.60 = 11,248.80 : x
  2. Step 2: Convert to fraction form
    16,778.40/25,167.60 = 11,248.80/x
  3. Step 3: Cross multiply
    16,778.40x = 25,167.60 × 11,248.80
  4. Step 4: Simplify right side
    16,778.40x = 283,105,298.88
  5. Step 5: Solve for x
    x = 283,105,298.88/16,778.40
  6. Step 6: Final answer
    x = 16,873.20

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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.