Home / 11,100.60-16,683.30-10,906.20

Finding the Fourth Proportional to 11,100.60, 16,683.30 and 10,906.20

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Solution

The fourth proportional to 11,100.60, 16,683.30 and 10,906.20 is: 16,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.60 : 16,683.30 = 10,906.20 : x
  2. Step 2: Convert to fraction form
    11,100.60/16,683.30 = 10,906.20/x
  3. Step 3: Cross multiply
    11,100.60x = 16,683.30 × 10,906.20
  4. Step 4: Simplify right side
    11,100.60x = 181,951,406.46
  5. Step 5: Solve for x
    x = 181,951,406.46/11,100.60
  6. Step 6: Final answer
    x = 16,391.13

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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.