Home / 18,651.60-27,973.38-6,168.66

Finding the Fourth Proportional to 18,651.60, 27,973.38 and 6,168.66

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Solution

The fourth proportional to 18,651.60, 27,973.38 and 6,168.66 is: 9,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.60 : 27,973.38 = 6,168.66 : x
  2. Step 2: Convert to fraction form
    18,651.60/27,973.38 = 6,168.66/x
  3. Step 3: Cross multiply
    18,651.60x = 27,973.38 × 6,168.66
  4. Step 4: Simplify right side
    18,651.60x = 172,558,270.27
  5. Step 5: Solve for x
    x = 172,558,270.27/18,651.60
  6. Step 6: Final answer
    x = 9,251.66

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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.