Home / 11,919.48-17,881.38-3,599.16

Finding the Fourth Proportional to 11,919.48, 17,881.38 and 3,599.16

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Solution

The fourth proportional to 11,919.48, 17,881.38 and 3,599.16 is: 5,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.48 : 17,881.38 = 3,599.16 : x
  2. Step 2: Convert to fraction form
    11,919.48/17,881.38 = 3,599.16/x
  3. Step 3: Cross multiply
    11,919.48x = 17,881.38 × 3,599.16
  4. Step 4: Simplify right side
    11,919.48x = 64,357,947.64
  5. Step 5: Solve for x
    x = 64,357,947.64/11,919.48
  6. Step 6: Final answer
    x = 5,399.39

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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.