Home / 17,965.62-26,931.82-9,181.17

Finding the Fourth Proportional to 17,965.62, 26,931.82 and 9,181.17

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Solution

The fourth proportional to 17,965.62, 26,931.82 and 9,181.17 is: 13,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.62 : 26,931.82 = 9,181.17 : x
  2. Step 2: Convert to fraction form
    17,965.62/26,931.82 = 9,181.17/x
  3. Step 3: Cross multiply
    17,965.62x = 26,931.82 × 9,181.17
  4. Step 4: Simplify right side
    17,965.62x = 247,265,571.92
  5. Step 5: Solve for x
    x = 247,265,571.92/17,965.62
  6. Step 6: Final answer
    x = 13,763.26

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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.