Home / 13,584.87-20,375.56-5,259.18

Finding the Fourth Proportional to 13,584.87, 20,375.56 and 5,259.18

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Solution

The fourth proportional to 13,584.87, 20,375.56 and 5,259.18 is: 7,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.87 : 20,375.56 = 5,259.18 : x
  2. Step 2: Convert to fraction form
    13,584.87/20,375.56 = 5,259.18/x
  3. Step 3: Cross multiply
    13,584.87x = 20,375.56 × 5,259.18
  4. Step 4: Simplify right side
    13,584.87x = 107,158,737.64
  5. Step 5: Solve for x
    x = 107,158,737.64/13,584.87
  6. Step 6: Final answer
    x = 7,888.09

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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.