Home / 13,589.00-20,382.59-3,727.45

Finding the Fourth Proportional to 13,589.00, 20,382.59 and 3,727.45

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Solution

The fourth proportional to 13,589.00, 20,382.59 and 3,727.45 is: 5,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.00 : 20,382.59 = 3,727.45 : x
  2. Step 2: Convert to fraction form
    13,589.00/20,382.59 = 3,727.45/x
  3. Step 3: Cross multiply
    13,589.00x = 20,382.59 × 3,727.45
  4. Step 4: Simplify right side
    13,589.00x = 75,975,144.13
  5. Step 5: Solve for x
    x = 75,975,144.13/13,589.00
  6. Step 6: Final answer
    x = 5,590.93

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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.