Home / 11,778.52-17,667.24-3,458.20

Finding the Fourth Proportional to 11,778.52, 17,667.24 and 3,458.20

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Solution

The fourth proportional to 11,778.52, 17,667.24 and 3,458.20 is: 5,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.52 : 17,667.24 = 3,458.20 : x
  2. Step 2: Convert to fraction form
    11,778.52/17,667.24 = 3,458.20/x
  3. Step 3: Cross multiply
    11,778.52x = 17,667.24 × 3,458.20
  4. Step 4: Simplify right side
    11,778.52x = 61,096,849.37
  5. Step 5: Solve for x
    x = 61,096,849.37/11,778.52
  6. Step 6: Final answer
    x = 5,187.14

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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.