Home / 11,842.29-17,750.95-3,942.70

Finding the Fourth Proportional to 11,842.29, 17,750.95 and 3,942.70

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Solution

The fourth proportional to 11,842.29, 17,750.95 and 3,942.70 is: 5,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.29 : 17,750.95 = 3,942.70 : x
  2. Step 2: Convert to fraction form
    11,842.29/17,750.95 = 3,942.70/x
  3. Step 3: Cross multiply
    11,842.29x = 17,750.95 × 3,942.70
  4. Step 4: Simplify right side
    11,842.29x = 69,986,616.33
  5. Step 5: Solve for x
    x = 69,986,616.33/11,842.29
  6. Step 6: Final answer
    x = 5,909.89

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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.