Home / 10,338.36-15,495.21-7,201.38

Finding the Fourth Proportional to 10,338.36, 15,495.21 and 7,201.38

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Solution

The fourth proportional to 10,338.36, 15,495.21 and 7,201.38 is: 10,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.36 : 15,495.21 = 7,201.38 : x
  2. Step 2: Convert to fraction form
    10,338.36/15,495.21 = 7,201.38/x
  3. Step 3: Cross multiply
    10,338.36x = 15,495.21 × 7,201.38
  4. Step 4: Simplify right side
    10,338.36x = 111,586,895.39
  5. Step 5: Solve for x
    x = 111,586,895.39/10,338.36
  6. Step 6: Final answer
    x = 10,793.48

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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.