Home / 17,719.36-26,579.40-5,239.38

Finding the Fourth Proportional to 17,719.36, 26,579.40 and 5,239.38

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Solution

The fourth proportional to 17,719.36, 26,579.40 and 5,239.38 is: 7,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.36 : 26,579.40 = 5,239.38 : x
  2. Step 2: Convert to fraction form
    17,719.36/26,579.40 = 5,239.38/x
  3. Step 3: Cross multiply
    17,719.36x = 26,579.40 × 5,239.38
  4. Step 4: Simplify right side
    17,719.36x = 139,259,576.77
  5. Step 5: Solve for x
    x = 139,259,576.77/17,719.36
  6. Step 6: Final answer
    x = 7,859.18

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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.