Home / 8,742.73-13,114.19-6,998.82

Finding the Fourth Proportional to 8,742.73, 13,114.19 and 6,998.82

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Solution

The fourth proportional to 8,742.73, 13,114.19 and 6,998.82 is: 10,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.73 : 13,114.19 = 6,998.82 : x
  2. Step 2: Convert to fraction form
    8,742.73/13,114.19 = 6,998.82/x
  3. Step 3: Cross multiply
    8,742.73x = 13,114.19 × 6,998.82
  4. Step 4: Simplify right side
    8,742.73x = 91,783,855.26
  5. Step 5: Solve for x
    x = 91,783,855.26/8,742.73
  6. Step 6: Final answer
    x = 10,498.31

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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.