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Finding the Fourth Proportional to 18,604.53, 27,908.55 and 6,124.68

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Solution

The fourth proportional to 18,604.53, 27,908.55 and 6,124.68 is: 9,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.53 : 27,908.55 = 6,124.68 : x
  2. Step 2: Convert to fraction form
    18,604.53/27,908.55 = 6,124.68/x
  3. Step 3: Cross multiply
    18,604.53x = 27,908.55 × 6,124.68
  4. Step 4: Simplify right side
    18,604.53x = 170,930,938.01
  5. Step 5: Solve for x
    x = 170,930,938.01/18,604.53
  6. Step 6: Final answer
    x = 9,187.60

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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.