Home / 18,222.81-27,332.19-4,896.95

Finding the Fourth Proportional to 18,222.81, 27,332.19 and 4,896.95

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Solution

The fourth proportional to 18,222.81, 27,332.19 and 4,896.95 is: 7,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.81 : 27,332.19 = 4,896.95 : x
  2. Step 2: Convert to fraction form
    18,222.81/27,332.19 = 4,896.95/x
  3. Step 3: Cross multiply
    18,222.81x = 27,332.19 × 4,896.95
  4. Step 4: Simplify right side
    18,222.81x = 133,844,231.16
  5. Step 5: Solve for x
    x = 133,844,231.16/18,222.81
  6. Step 6: Final answer
    x = 7,344.87

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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.