Home / 17,865.68-26,782.64-6,764.64

Finding the Fourth Proportional to 17,865.68, 26,782.64 and 6,764.64

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Solution

The fourth proportional to 17,865.68, 26,782.64 and 6,764.64 is: 10,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.68 : 26,782.64 = 6,764.64 : x
  2. Step 2: Convert to fraction form
    17,865.68/26,782.64 = 6,764.64/x
  3. Step 3: Cross multiply
    17,865.68x = 26,782.64 × 6,764.64
  4. Step 4: Simplify right side
    17,865.68x = 181,174,917.85
  5. Step 5: Solve for x
    x = 181,174,917.85/17,865.68
  6. Step 6: Final answer
    x = 10,140.95

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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.