Home / 11,919.12-17,881.05-3,599.58

Finding the Fourth Proportional to 11,919.12, 17,881.05 and 3,599.58

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Solution

The fourth proportional to 11,919.12, 17,881.05 and 3,599.58 is: 5,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.12 : 17,881.05 = 3,599.58 : x
  2. Step 2: Convert to fraction form
    11,919.12/17,881.05 = 3,599.58/x
  3. Step 3: Cross multiply
    11,919.12x = 17,881.05 × 3,599.58
  4. Step 4: Simplify right side
    11,919.12x = 64,364,269.96
  5. Step 5: Solve for x
    x = 64,364,269.96/11,919.12
  6. Step 6: Final answer
    x = 5,400.09

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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.