Home / 10,338.76-15,505.80-2,943.05

Finding the Fourth Proportional to 10,338.76, 15,505.80 and 2,943.05

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Solution

The fourth proportional to 10,338.76, 15,505.80 and 2,943.05 is: 4,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.76 : 15,505.80 = 2,943.05 : x
  2. Step 2: Convert to fraction form
    10,338.76/15,505.80 = 2,943.05/x
  3. Step 3: Cross multiply
    10,338.76x = 15,505.80 × 2,943.05
  4. Step 4: Simplify right side
    10,338.76x = 45,634,344.69
  5. Step 5: Solve for x
    x = 45,634,344.69/10,338.76
  6. Step 6: Final answer
    x = 4,413.91

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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.