Home / 11,115.60-16,673.40-10,654.80

Finding the Fourth Proportional to 11,115.60, 16,673.40 and 10,654.80

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Solution

The fourth proportional to 11,115.60, 16,673.40 and 10,654.80 is: 15,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.60 : 16,673.40 = 10,654.80 : x
  2. Step 2: Convert to fraction form
    11,115.60/16,673.40 = 10,654.80/x
  3. Step 3: Cross multiply
    11,115.60x = 16,673.40 × 10,654.80
  4. Step 4: Simplify right side
    11,115.60x = 177,651,742.32
  5. Step 5: Solve for x
    x = 177,651,742.32/11,115.60
  6. Step 6: Final answer
    x = 15,982.20

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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.