Home / 12,843.08-17,723.23-7,177.94

Finding the Fourth Proportional to 12,843.08, 17,723.23 and 7,177.94

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Solution

The fourth proportional to 12,843.08, 17,723.23 and 7,177.94 is: 9,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.08 : 17,723.23 = 7,177.94 : x
  2. Step 2: Convert to fraction form
    12,843.08/17,723.23 = 7,177.94/x
  3. Step 3: Cross multiply
    12,843.08x = 17,723.23 × 7,177.94
  4. Step 4: Simplify right side
    12,843.08x = 127,216,174.99
  5. Step 5: Solve for x
    x = 127,216,174.99/12,843.08
  6. Step 6: Final answer
    x = 9,905.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.