Home / 17,555.32-26,340.18-7,168.12

Finding the Fourth Proportional to 17,555.32, 26,340.18 and 7,168.12

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Solution

The fourth proportional to 17,555.32, 26,340.18 and 7,168.12 is: 10,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.32 : 26,340.18 = 7,168.12 : x
  2. Step 2: Convert to fraction form
    17,555.32/26,340.18 = 7,168.12/x
  3. Step 3: Cross multiply
    17,555.32x = 26,340.18 × 7,168.12
  4. Step 4: Simplify right side
    17,555.32x = 188,809,571.06
  5. Step 5: Solve for x
    x = 188,809,571.06/17,555.32
  6. Step 6: Final answer
    x = 10,755.12

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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.