Home / 17,719.78-26,579.87-7,586.79

Finding the Fourth Proportional to 17,719.78, 26,579.87 and 7,586.79

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Solution

The fourth proportional to 17,719.78, 26,579.87 and 7,586.79 is: 11,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.78 : 26,579.87 = 7,586.79 : x
  2. Step 2: Convert to fraction form
    17,719.78/26,579.87 = 7,586.79/x
  3. Step 3: Cross multiply
    17,719.78x = 26,579.87 × 7,586.79
  4. Step 4: Simplify right side
    17,719.78x = 201,655,891.92
  5. Step 5: Solve for x
    x = 201,655,891.92/17,719.78
  6. Step 6: Final answer
    x = 11,380.27

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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.