Home / 17,719.44-26,579.16-12,155.92

Finding the Fourth Proportional to 17,719.44, 26,579.16 and 12,155.92

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Solution

The fourth proportional to 17,719.44, 26,579.16 and 12,155.92 is: 18,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.44 : 26,579.16 = 12,155.92 : x
  2. Step 2: Convert to fraction form
    17,719.44/26,579.16 = 12,155.92/x
  3. Step 3: Cross multiply
    17,719.44x = 26,579.16 × 12,155.92
  4. Step 4: Simplify right side
    17,719.44x = 323,094,112.24
  5. Step 5: Solve for x
    x = 323,094,112.24/17,719.44
  6. Step 6: Final answer
    x = 18,233.88

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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.