Home / 17,399.06-26,098.79-4,919.48

Finding the Fourth Proportional to 17,399.06, 26,098.79 and 4,919.48

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Solution

The fourth proportional to 17,399.06, 26,098.79 and 4,919.48 is: 7,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.06 : 26,098.79 = 4,919.48 : x
  2. Step 2: Convert to fraction form
    17,399.06/26,098.79 = 4,919.48/x
  3. Step 3: Cross multiply
    17,399.06x = 26,098.79 × 4,919.48
  4. Step 4: Simplify right side
    17,399.06x = 128,392,320.34
  5. Step 5: Solve for x
    x = 128,392,320.34/17,399.06
  6. Step 6: Final answer
    x = 7,379.27

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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.