Home / 11,579.39-17,358.75-4,182.20

Finding the Fourth Proportional to 11,579.39, 17,358.75 and 4,182.20

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Solution

The fourth proportional to 11,579.39, 17,358.75 and 4,182.20 is: 6,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.39 : 17,358.75 = 4,182.20 : x
  2. Step 2: Convert to fraction form
    11,579.39/17,358.75 = 4,182.20/x
  3. Step 3: Cross multiply
    11,579.39x = 17,358.75 × 4,182.20
  4. Step 4: Simplify right side
    11,579.39x = 72,597,677.46
  5. Step 5: Solve for x
    x = 72,597,677.46/11,579.39
  6. Step 6: Final answer
    x = 6,269.56

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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.