Home / 11,939.34-17,909.02-3,731.34

Finding the Fourth Proportional to 11,939.34, 17,909.02 and 3,731.34

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Solution

The fourth proportional to 11,939.34, 17,909.02 and 3,731.34 is: 5,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.34 : 17,909.02 = 3,731.34 : x
  2. Step 2: Convert to fraction form
    11,939.34/17,909.02 = 3,731.34/x
  3. Step 3: Cross multiply
    11,939.34x = 17,909.02 × 3,731.34
  4. Step 4: Simplify right side
    11,939.34x = 66,824,700.52
  5. Step 5: Solve for x
    x = 66,824,700.52/11,939.34
  6. Step 6: Final answer
    x = 5,597.02

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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.