Home / 17,719.38-26,579.04-5,239.56

Finding the Fourth Proportional to 17,719.38, 26,579.04 and 5,239.56

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Solution

The fourth proportional to 17,719.38, 26,579.04 and 5,239.56 is: 7,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.38 : 26,579.04 = 5,239.56 : x
  2. Step 2: Convert to fraction form
    17,719.38/26,579.04 = 5,239.56/x
  3. Step 3: Cross multiply
    17,719.38x = 26,579.04 × 5,239.56
  4. Step 4: Simplify right side
    17,719.38x = 139,262,474.82
  5. Step 5: Solve for x
    x = 139,262,474.82/17,719.38
  6. Step 6: Final answer
    x = 7,859.33

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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.