Home / 10,815.21-16,221.20-3,023.01

Finding the Fourth Proportional to 10,815.21, 16,221.20 and 3,023.01

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Solution

The fourth proportional to 10,815.21, 16,221.20 and 3,023.01 is: 4,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.21 : 16,221.20 = 3,023.01 : x
  2. Step 2: Convert to fraction form
    10,815.21/16,221.20 = 3,023.01/x
  3. Step 3: Cross multiply
    10,815.21x = 16,221.20 × 3,023.01
  4. Step 4: Simplify right side
    10,815.21x = 49,036,834.70
  5. Step 5: Solve for x
    x = 49,036,834.70/10,815.21
  6. Step 6: Final answer
    x = 4,534.06

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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.