Home / 10,618.73-15,928.03-2,721.23

Finding the Fourth Proportional to 10,618.73, 15,928.03 and 2,721.23

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Solution

The fourth proportional to 10,618.73, 15,928.03 and 2,721.23 is: 4,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.73 : 15,928.03 = 2,721.23 : x
  2. Step 2: Convert to fraction form
    10,618.73/15,928.03 = 2,721.23/x
  3. Step 3: Cross multiply
    10,618.73x = 15,928.03 × 2,721.23
  4. Step 4: Simplify right side
    10,618.73x = 43,343,833.08
  5. Step 5: Solve for x
    x = 43,343,833.08/10,618.73
  6. Step 6: Final answer
    x = 4,081.83

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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.