Home / 20,166.84-30,187.80-18,444.56

Finding the Fourth Proportional to 20,166.84, 30,187.80 and 18,444.56

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Solution

The fourth proportional to 20,166.84, 30,187.80 and 18,444.56 is: 27,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.84 : 30,187.80 = 18,444.56 : x
  2. Step 2: Convert to fraction form
    20,166.84/30,187.80 = 18,444.56/x
  3. Step 3: Cross multiply
    20,166.84x = 30,187.80 × 18,444.56
  4. Step 4: Simplify right side
    20,166.84x = 556,800,537.43
  5. Step 5: Solve for x
    x = 556,800,537.43/20,166.84
  6. Step 6: Final answer
    x = 27,609.71

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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.