Home / 17,919.20-26,884.22-7,240.07

Finding the Fourth Proportional to 17,919.20, 26,884.22 and 7,240.07

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Solution

The fourth proportional to 17,919.20, 26,884.22 and 7,240.07 is: 10,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.20 : 26,884.22 = 7,240.07 : x
  2. Step 2: Convert to fraction form
    17,919.20/26,884.22 = 7,240.07/x
  3. Step 3: Cross multiply
    17,919.20x = 26,884.22 × 7,240.07
  4. Step 4: Simplify right side
    17,919.20x = 194,643,464.07
  5. Step 5: Solve for x
    x = 194,643,464.07/17,919.20
  6. Step 6: Final answer
    x = 10,862.29

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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.