Home / 13,589.74-20,383.69-3,728.19

Finding the Fourth Proportional to 13,589.74, 20,383.69 and 3,728.19

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Solution

The fourth proportional to 13,589.74, 20,383.69 and 3,728.19 is: 5,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.74 : 20,383.69 = 3,728.19 : x
  2. Step 2: Convert to fraction form
    13,589.74/20,383.69 = 3,728.19/x
  3. Step 3: Cross multiply
    13,589.74x = 20,383.69 × 3,728.19
  4. Step 4: Simplify right side
    13,589.74x = 75,994,269.22
  5. Step 5: Solve for x
    x = 75,994,269.22/13,589.74
  6. Step 6: Final answer
    x = 5,592.03

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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.