Home / 11,224.40-16,836.60-9,150.80

Finding the Fourth Proportional to 11,224.40, 16,836.60 and 9,150.80

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Solution

The fourth proportional to 11,224.40, 16,836.60 and 9,150.80 is: 13,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.40 : 16,836.60 = 9,150.80 : x
  2. Step 2: Convert to fraction form
    11,224.40/16,836.60 = 9,150.80/x
  3. Step 3: Cross multiply
    11,224.40x = 16,836.60 × 9,150.80
  4. Step 4: Simplify right side
    11,224.40x = 154,068,359.28
  5. Step 5: Solve for x
    x = 154,068,359.28/11,224.40
  6. Step 6: Final answer
    x = 13,726.20

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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.