Home / 11,418.87-15,758.00-6,383.09

Finding the Fourth Proportional to 11,418.87, 15,758.00 and 6,383.09

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Solution

The fourth proportional to 11,418.87, 15,758.00 and 6,383.09 is: 8,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.87 : 15,758.00 = 6,383.09 : x
  2. Step 2: Convert to fraction form
    11,418.87/15,758.00 = 6,383.09/x
  3. Step 3: Cross multiply
    11,418.87x = 15,758.00 × 6,383.09
  4. Step 4: Simplify right side
    11,418.87x = 100,584,621.51
  5. Step 5: Solve for x
    x = 100,584,621.51/11,418.87
  6. Step 6: Final answer
    x = 8,808.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.