Home / 11,959.20-17,930.70-6,337.80

Finding the Fourth Proportional to 11,959.20, 17,930.70 and 6,337.80

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Solution

The fourth proportional to 11,959.20, 17,930.70 and 6,337.80 is: 9,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.20 : 17,930.70 = 6,337.80 : x
  2. Step 2: Convert to fraction form
    11,959.20/17,930.70 = 6,337.80/x
  3. Step 3: Cross multiply
    11,959.20x = 17,930.70 × 6,337.80
  4. Step 4: Simplify right side
    11,959.20x = 113,641,190.46
  5. Step 5: Solve for x
    x = 113,641,190.46/11,959.20
  6. Step 6: Final answer
    x = 9,502.41

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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.