Home / 19,521.09-29,286.63-5,481.16

Finding the Fourth Proportional to 19,521.09, 29,286.63 and 5,481.16

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Solution

The fourth proportional to 19,521.09, 29,286.63 and 5,481.16 is: 8,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.09 : 29,286.63 = 5,481.16 : x
  2. Step 2: Convert to fraction form
    19,521.09/29,286.63 = 5,481.16/x
  3. Step 3: Cross multiply
    19,521.09x = 29,286.63 × 5,481.16
  4. Step 4: Simplify right side
    19,521.09x = 160,524,631.67
  5. Step 5: Solve for x
    x = 160,524,631.67/19,521.09
  6. Step 6: Final answer
    x = 8,223.14

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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.