Home / 17,640.87-26,454.64-7,107.32

Finding the Fourth Proportional to 17,640.87, 26,454.64 and 7,107.32

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Solution

The fourth proportional to 17,640.87, 26,454.64 and 7,107.32 is: 10,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.87 : 26,454.64 = 7,107.32 : x
  2. Step 2: Convert to fraction form
    17,640.87/26,454.64 = 7,107.32/x
  3. Step 3: Cross multiply
    17,640.87x = 26,454.64 × 7,107.32
  4. Step 4: Simplify right side
    17,640.87x = 188,021,591.96
  5. Step 5: Solve for x
    x = 188,021,591.96/17,640.87
  6. Step 6: Final answer
    x = 10,658.29

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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.