Home / 11,204.10-16,842.60-7,939.80

Finding the Fourth Proportional to 11,204.10, 16,842.60 and 7,939.80

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Solution

The fourth proportional to 11,204.10, 16,842.60 and 7,939.80 is: 11,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.10 : 16,842.60 = 7,939.80 : x
  2. Step 2: Convert to fraction form
    11,204.10/16,842.60 = 7,939.80/x
  3. Step 3: Cross multiply
    11,204.10x = 16,842.60 × 7,939.80
  4. Step 4: Simplify right side
    11,204.10x = 133,726,875.48
  5. Step 5: Solve for x
    x = 133,726,875.48/11,204.10
  6. Step 6: Final answer
    x = 11,935.53

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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.