Home / 9,518.62-13,135.69-5,326.87

Finding the Fourth Proportional to 9,518.62, 13,135.69 and 5,326.87

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Solution

The fourth proportional to 9,518.62, 13,135.69 and 5,326.87 is: 7,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.62 : 13,135.69 = 5,326.87 : x
  2. Step 2: Convert to fraction form
    9,518.62/13,135.69 = 5,326.87/x
  3. Step 3: Cross multiply
    9,518.62x = 13,135.69 × 5,326.87
  4. Step 4: Simplify right side
    9,518.62x = 69,972,112.99
  5. Step 5: Solve for x
    x = 69,972,112.99/9,518.62
  6. Step 6: Final answer
    x = 7,351.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.