Home / 11,456.87-17,184.99-3,665.57

Finding the Fourth Proportional to 11,456.87, 17,184.99 and 3,665.57

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Solution

The fourth proportional to 11,456.87, 17,184.99 and 3,665.57 is: 5,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.87 : 17,184.99 = 3,665.57 : x
  2. Step 2: Convert to fraction form
    11,456.87/17,184.99 = 3,665.57/x
  3. Step 3: Cross multiply
    11,456.87x = 17,184.99 × 3,665.57
  4. Step 4: Simplify right side
    11,456.87x = 62,992,783.79
  5. Step 5: Solve for x
    x = 62,992,783.79/11,456.87
  6. Step 6: Final answer
    x = 5,498.25

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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.