Home / 17,288.20-25,945.10-6,907.40

Finding the Fourth Proportional to 17,288.20, 25,945.10 and 6,907.40

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Solution

The fourth proportional to 17,288.20, 25,945.10 and 6,907.40 is: 10,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.20 : 25,945.10 = 6,907.40 : x
  2. Step 2: Convert to fraction form
    17,288.20/25,945.10 = 6,907.40/x
  3. Step 3: Cross multiply
    17,288.20x = 25,945.10 × 6,907.40
  4. Step 4: Simplify right side
    17,288.20x = 179,213,183.74
  5. Step 5: Solve for x
    x = 179,213,183.74/17,288.20
  6. Step 6: Final answer
    x = 10,366.21

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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.