Home / 8,814.15-12,163.33-5,456.09

Finding the Fourth Proportional to 8,814.15, 12,163.33 and 5,456.09

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Solution

The fourth proportional to 8,814.15, 12,163.33 and 5,456.09 is: 7,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.15 : 12,163.33 = 5,456.09 : x
  2. Step 2: Convert to fraction form
    8,814.15/12,163.33 = 5,456.09/x
  3. Step 3: Cross multiply
    8,814.15x = 12,163.33 × 5,456.09
  4. Step 4: Simplify right side
    8,814.15x = 66,364,260.41
  5. Step 5: Solve for x
    x = 66,364,260.41/8,814.15
  6. Step 6: Final answer
    x = 7,529.29

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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.