Home / 20,414.14-30,567.74-13,372.00

Finding the Fourth Proportional to 20,414.14, 30,567.74 and 13,372.00

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Solution

The fourth proportional to 20,414.14, 30,567.74 and 13,372.00 is: 20,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.14 : 30,567.74 = 13,372.00 : x
  2. Step 2: Convert to fraction form
    20,414.14/30,567.74 = 13,372.00/x
  3. Step 3: Cross multiply
    20,414.14x = 30,567.74 × 13,372.00
  4. Step 4: Simplify right side
    20,414.14x = 408,751,731.51
  5. Step 5: Solve for x
    x = 408,751,731.51/20,414.14
  6. Step 6: Final answer
    x = 20,022.98

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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.