Home / 18,104.12-27,120.83-8,602.92

Finding the Fourth Proportional to 18,104.12, 27,120.83 and 8,602.92

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Solution

The fourth proportional to 18,104.12, 27,120.83 and 8,602.92 is: 12,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.12 : 27,120.83 = 8,602.92 : x
  2. Step 2: Convert to fraction form
    18,104.12/27,120.83 = 8,602.92/x
  3. Step 3: Cross multiply
    18,104.12x = 27,120.83 × 8,602.92
  4. Step 4: Simplify right side
    18,104.12x = 233,318,330.82
  5. Step 5: Solve for x
    x = 233,318,330.82/18,104.12
  6. Step 6: Final answer
    x = 12,887.58

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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.