Home / 17,705.70-26,558.42-7,175.57

Finding the Fourth Proportional to 17,705.70, 26,558.42 and 7,175.57

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Solution

The fourth proportional to 17,705.70, 26,558.42 and 7,175.57 is: 10,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.70 : 26,558.42 = 7,175.57 : x
  2. Step 2: Convert to fraction form
    17,705.70/26,558.42 = 7,175.57/x
  3. Step 3: Cross multiply
    17,705.70x = 26,558.42 × 7,175.57
  4. Step 4: Simplify right side
    17,705.70x = 190,571,633.13
  5. Step 5: Solve for x
    x = 190,571,633.13/17,705.70
  6. Step 6: Final answer
    x = 10,763.29

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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.