Home / 13,425.00-20,135.94-3,565.05

Finding the Fourth Proportional to 13,425.00, 20,135.94 and 3,565.05

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Solution

The fourth proportional to 13,425.00, 20,135.94 and 3,565.05 is: 5,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.00 : 20,135.94 = 3,565.05 : x
  2. Step 2: Convert to fraction form
    13,425.00/20,135.94 = 3,565.05/x
  3. Step 3: Cross multiply
    13,425.00x = 20,135.94 × 3,565.05
  4. Step 4: Simplify right side
    13,425.00x = 71,785,544.02
  5. Step 5: Solve for x
    x = 71,785,544.02/13,425.00
  6. Step 6: Final answer
    x = 5,347.16

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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.