Home / 11,835.91-17,752.65-3,938.95

Finding the Fourth Proportional to 11,835.91, 17,752.65 and 3,938.95

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Solution

The fourth proportional to 11,835.91, 17,752.65 and 3,938.95 is: 5,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.91 : 17,752.65 = 3,938.95 : x
  2. Step 2: Convert to fraction form
    11,835.91/17,752.65 = 3,938.95/x
  3. Step 3: Cross multiply
    11,835.91x = 17,752.65 × 3,938.95
  4. Step 4: Simplify right side
    11,835.91x = 69,926,800.72
  5. Step 5: Solve for x
    x = 69,926,800.72/11,835.91
  6. Step 6: Final answer
    x = 5,908.02

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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.