Home / 18,109.73-27,163.91-5,630.84

Finding the Fourth Proportional to 18,109.73, 27,163.91 and 5,630.84

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Solution

The fourth proportional to 18,109.73, 27,163.91 and 5,630.84 is: 8,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.73 : 27,163.91 = 5,630.84 : x
  2. Step 2: Convert to fraction form
    18,109.73/27,163.91 = 5,630.84/x
  3. Step 3: Cross multiply
    18,109.73x = 27,163.91 × 5,630.84
  4. Step 4: Simplify right side
    18,109.73x = 152,955,655.83
  5. Step 5: Solve for x
    x = 152,955,655.83/18,109.73
  6. Step 6: Final answer
    x = 8,446.05

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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.