Home / 11,511.14-17,266.30-3,719.75

Finding the Fourth Proportional to 11,511.14, 17,266.30 and 3,719.75

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Solution

The fourth proportional to 11,511.14, 17,266.30 and 3,719.75 is: 5,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.14 : 17,266.30 = 3,719.75 : x
  2. Step 2: Convert to fraction form
    11,511.14/17,266.30 = 3,719.75/x
  3. Step 3: Cross multiply
    11,511.14x = 17,266.30 × 3,719.75
  4. Step 4: Simplify right side
    11,511.14x = 64,226,319.43
  5. Step 5: Solve for x
    x = 64,226,319.43/11,511.14
  6. Step 6: Final answer
    x = 5,579.49

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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.