Home / 13,633.44-18,814.56-8,854.56

Finding the Fourth Proportional to 13,633.44, 18,814.56 and 8,854.56

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Solution

The fourth proportional to 13,633.44, 18,814.56 and 8,854.56 is: 12,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.44 : 18,814.56 = 8,854.56 : x
  2. Step 2: Convert to fraction form
    13,633.44/18,814.56 = 8,854.56/x
  3. Step 3: Cross multiply
    13,633.44x = 18,814.56 × 8,854.56
  4. Step 4: Simplify right side
    13,633.44x = 166,594,650.39
  5. Step 5: Solve for x
    x = 166,594,650.39/13,633.44
  6. Step 6: Final answer
    x = 12,219.56

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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.