Home / 20,266.29-30,399.35-5,476.73

Finding the Fourth Proportional to 20,266.29, 30,399.35 and 5,476.73

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Solution

The fourth proportional to 20,266.29, 30,399.35 and 5,476.73 is: 8,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.29 : 30,399.35 = 5,476.73 : x
  2. Step 2: Convert to fraction form
    20,266.29/30,399.35 = 5,476.73/x
  3. Step 3: Cross multiply
    20,266.29x = 30,399.35 × 5,476.73
  4. Step 4: Simplify right side
    20,266.29x = 166,488,852.75
  5. Step 5: Solve for x
    x = 166,488,852.75/20,266.29
  6. Step 6: Final answer
    x = 8,215.06

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1.5x scale

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.