Home / 17,601.05-26,403.30-5,121.20

Finding the Fourth Proportional to 17,601.05, 26,403.30 and 5,121.20

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Solution

The fourth proportional to 17,601.05, 26,403.30 and 5,121.20 is: 7,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.05 : 26,403.30 = 5,121.20 : x
  2. Step 2: Convert to fraction form
    17,601.05/26,403.30 = 5,121.20/x
  3. Step 3: Cross multiply
    17,601.05x = 26,403.30 × 5,121.20
  4. Step 4: Simplify right side
    17,601.05x = 135,216,447.94
  5. Step 5: Solve for x
    x = 135,216,447.94/17,601.05
  6. Step 6: Final answer
    x = 7,682.30

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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.