Home / 18,708.14-28,061.89-10,822.52

Finding the Fourth Proportional to 18,708.14, 28,061.89 and 10,822.52

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Solution

The fourth proportional to 18,708.14, 28,061.89 and 10,822.52 is: 16,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.14 : 28,061.89 = 10,822.52 : x
  2. Step 2: Convert to fraction form
    18,708.14/28,061.89 = 10,822.52/x
  3. Step 3: Cross multiply
    18,708.14x = 28,061.89 × 10,822.52
  4. Step 4: Simplify right side
    18,708.14x = 303,700,365.76
  5. Step 5: Solve for x
    x = 303,700,365.76/18,708.14
  6. Step 6: Final answer
    x = 16,233.59

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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.