Home / 13,286.16-19,907.28-5,879.52

Finding the Fourth Proportional to 13,286.16, 19,907.28 and 5,879.52

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Solution

The fourth proportional to 13,286.16, 19,907.28 and 5,879.52 is: 8,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.16 : 19,907.28 = 5,879.52 : x
  2. Step 2: Convert to fraction form
    13,286.16/19,907.28 = 5,879.52/x
  3. Step 3: Cross multiply
    13,286.16x = 19,907.28 × 5,879.52
  4. Step 4: Simplify right side
    13,286.16x = 117,045,250.91
  5. Step 5: Solve for x
    x = 117,045,250.91/13,286.16
  6. Step 6: Final answer
    x = 8,809.56

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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.