Home / 12,195.54-18,276.91-8,893.17

Finding the Fourth Proportional to 12,195.54, 18,276.91 and 8,893.17

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Solution

The fourth proportional to 12,195.54, 18,276.91 and 8,893.17 is: 13,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.54 : 18,276.91 = 8,893.17 : x
  2. Step 2: Convert to fraction form
    12,195.54/18,276.91 = 8,893.17/x
  3. Step 3: Cross multiply
    12,195.54x = 18,276.91 × 8,893.17
  4. Step 4: Simplify right side
    12,195.54x = 162,539,645.47
  5. Step 5: Solve for x
    x = 162,539,645.47/12,195.54
  6. Step 6: Final answer
    x = 13,327.79

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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.