Home / 13,619.00-18,781.74-8,833.96

Finding the Fourth Proportional to 13,619.00, 18,781.74 and 8,833.96

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Solution

The fourth proportional to 13,619.00, 18,781.74 and 8,833.96 is: 12,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.00 : 18,781.74 = 8,833.96 : x
  2. Step 2: Convert to fraction form
    13,619.00/18,781.74 = 8,833.96/x
  3. Step 3: Cross multiply
    13,619.00x = 18,781.74 × 8,833.96
  4. Step 4: Simplify right side
    13,619.00x = 165,917,163.37
  5. Step 5: Solve for x
    x = 165,917,163.37/13,619.00
  6. Step 6: Final answer
    x = 12,182.77

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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.