Home / 18,318.57-27,477.55-5,838.42

Finding the Fourth Proportional to 18,318.57, 27,477.55 and 5,838.42

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Solution

The fourth proportional to 18,318.57, 27,477.55 and 5,838.42 is: 8,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.57 : 27,477.55 = 5,838.42 : x
  2. Step 2: Convert to fraction form
    18,318.57/27,477.55 = 5,838.42/x
  3. Step 3: Cross multiply
    18,318.57x = 27,477.55 × 5,838.42
  4. Step 4: Simplify right side
    18,318.57x = 160,425,477.47
  5. Step 5: Solve for x
    x = 160,425,477.47/18,318.57
  6. Step 6: Final answer
    x = 8,757.53

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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.