Home / 11,939.04-17,820.92-11,059.38

Finding the Fourth Proportional to 11,939.04, 17,820.92 and 11,059.38

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Solution

The fourth proportional to 11,939.04, 17,820.92 and 11,059.38 is: 16,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.04 : 17,820.92 = 11,059.38 : x
  2. Step 2: Convert to fraction form
    11,939.04/17,820.92 = 11,059.38/x
  3. Step 3: Cross multiply
    11,939.04x = 17,820.92 × 11,059.38
  4. Step 4: Simplify right side
    11,939.04x = 197,088,326.23
  5. Step 5: Solve for x
    x = 197,088,326.23/11,939.04
  6. Step 6: Final answer
    x = 16,507.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.