Home / 10,338.73-15,505.76-2,943.02

Finding the Fourth Proportional to 10,338.73, 15,505.76 and 2,943.02

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Solution

The fourth proportional to 10,338.73, 15,505.76 and 2,943.02 is: 4,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.73 : 15,505.76 = 2,943.02 : x
  2. Step 2: Convert to fraction form
    10,338.73/15,505.76 = 2,943.02/x
  3. Step 3: Cross multiply
    10,338.73x = 15,505.76 × 2,943.02
  4. Step 4: Simplify right side
    10,338.73x = 45,633,807.92
  5. Step 5: Solve for x
    x = 45,633,807.92/10,338.73
  6. Step 6: Final answer
    x = 4,413.87

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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.