Home / 11,242.80-16,864.20-3,451.60

Finding the Fourth Proportional to 11,242.80, 16,864.20 and 3,451.60

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Solution

The fourth proportional to 11,242.80, 16,864.20 and 3,451.60 is: 5,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.80 : 16,864.20 = 3,451.60 : x
  2. Step 2: Convert to fraction form
    11,242.80/16,864.20 = 3,451.60/x
  3. Step 3: Cross multiply
    11,242.80x = 16,864.20 × 3,451.60
  4. Step 4: Simplify right side
    11,242.80x = 58,208,472.72
  5. Step 5: Solve for x
    x = 58,208,472.72/11,242.80
  6. Step 6: Final answer
    x = 5,177.40

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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.