Home / 11,808.39-17,709.35-3,488.07

Finding the Fourth Proportional to 11,808.39, 17,709.35 and 3,488.07

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Solution

The fourth proportional to 11,808.39, 17,709.35 and 3,488.07 is: 5,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.39 : 17,709.35 = 3,488.07 : x
  2. Step 2: Convert to fraction form
    11,808.39/17,709.35 = 3,488.07/x
  3. Step 3: Cross multiply
    11,808.39x = 17,709.35 × 3,488.07
  4. Step 4: Simplify right side
    11,808.39x = 61,771,435.01
  5. Step 5: Solve for x
    x = 61,771,435.01/11,808.39
  6. Step 6: Final answer
    x = 5,231.15

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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.