Home / 17,018.40-25,529.16-7,155.84

Finding the Fourth Proportional to 17,018.40, 25,529.16 and 7,155.84

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Solution

The fourth proportional to 17,018.40, 25,529.16 and 7,155.84 is: 10,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.40 : 25,529.16 = 7,155.84 : x
  2. Step 2: Convert to fraction form
    17,018.40/25,529.16 = 7,155.84/x
  3. Step 3: Cross multiply
    17,018.40x = 25,529.16 × 7,155.84
  4. Step 4: Simplify right side
    17,018.40x = 182,682,584.29
  5. Step 5: Solve for x
    x = 182,682,584.29/17,018.40
  6. Step 6: Final answer
    x = 10,734.42

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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.