Home / 11,150.80-16,711.60-5,610.40

Finding the Fourth Proportional to 11,150.80, 16,711.60 and 5,610.40

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Solution

The fourth proportional to 11,150.80, 16,711.60 and 5,610.40 is: 8,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.80 : 16,711.60 = 5,610.40 : x
  2. Step 2: Convert to fraction form
    11,150.80/16,711.60 = 5,610.40/x
  3. Step 3: Cross multiply
    11,150.80x = 16,711.60 × 5,610.40
  4. Step 4: Simplify right side
    11,150.80x = 93,758,760.64
  5. Step 5: Solve for x
    x = 93,758,760.64/11,150.80
  6. Step 6: Final answer
    x = 8,408.25

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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.