Home / 12,893.06-17,793.51-7,227.72

Finding the Fourth Proportional to 12,893.06, 17,793.51 and 7,227.72

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Solution

The fourth proportional to 12,893.06, 17,793.51 and 7,227.72 is: 9,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.06 : 17,793.51 = 7,227.72 : x
  2. Step 2: Convert to fraction form
    12,893.06/17,793.51 = 7,227.72/x
  3. Step 3: Cross multiply
    12,893.06x = 17,793.51 × 7,227.72
  4. Step 4: Simplify right side
    12,893.06x = 128,606,508.10
  5. Step 5: Solve for x
    x = 128,606,508.10/12,893.06
  6. Step 6: Final answer
    x = 9,974.86

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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.