Home / 13,311.36-19,975.14-5,519.16

Finding the Fourth Proportional to 13,311.36, 19,975.14 and 5,519.16

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Solution

The fourth proportional to 13,311.36, 19,975.14 and 5,519.16 is: 8,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.36 : 19,975.14 = 5,519.16 : x
  2. Step 2: Convert to fraction form
    13,311.36/19,975.14 = 5,519.16/x
  3. Step 3: Cross multiply
    13,311.36x = 19,975.14 × 5,519.16
  4. Step 4: Simplify right side
    13,311.36x = 110,245,993.68
  5. Step 5: Solve for x
    x = 110,245,993.68/13,311.36
  6. Step 6: Final answer
    x = 8,282.10

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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.