Home / 11,301.20-16,932.60-9,342.80

Finding the Fourth Proportional to 11,301.20, 16,932.60 and 9,342.80

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Solution

The fourth proportional to 11,301.20, 16,932.60 and 9,342.80 is: 13,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.20 : 16,932.60 = 9,342.80 : x
  2. Step 2: Convert to fraction form
    11,301.20/16,932.60 = 9,342.80/x
  3. Step 3: Cross multiply
    11,301.20x = 16,932.60 × 9,342.80
  4. Step 4: Simplify right side
    11,301.20x = 158,197,895.28
  5. Step 5: Solve for x
    x = 158,197,895.28/11,301.20
  6. Step 6: Final answer
    x = 13,998.33

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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.