Home / 21,454.14-32,183.40-5,871.78

Finding the Fourth Proportional to 21,454.14, 32,183.40 and 5,871.78

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Solution

The fourth proportional to 21,454.14, 32,183.40 and 5,871.78 is: 8,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.14 : 32,183.40 = 5,871.78 : x
  2. Step 2: Convert to fraction form
    21,454.14/32,183.40 = 5,871.78/x
  3. Step 3: Cross multiply
    21,454.14x = 32,183.40 × 5,871.78
  4. Step 4: Simplify right side
    21,454.14x = 188,973,844.45
  5. Step 5: Solve for x
    x = 188,973,844.45/21,454.14
  6. Step 6: Final answer
    x = 8,808.27

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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.