Home / 12,508.44-18,856.37-11,662.84

Finding the Fourth Proportional to 12,508.44, 18,856.37 and 11,662.84

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Solution

The fourth proportional to 12,508.44, 18,856.37 and 11,662.84 is: 17,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.44 : 18,856.37 = 11,662.84 : x
  2. Step 2: Convert to fraction form
    12,508.44/18,856.37 = 11,662.84/x
  3. Step 3: Cross multiply
    12,508.44x = 18,856.37 × 11,662.84
  4. Step 4: Simplify right side
    12,508.44x = 219,918,826.29
  5. Step 5: Solve for x
    x = 219,918,826.29/12,508.44
  6. Step 6: Final answer
    x = 17,581.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.