Home / 18,861.44-28,249.10-9,007.66

Finding the Fourth Proportional to 18,861.44, 28,249.10 and 9,007.66

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Solution

The fourth proportional to 18,861.44, 28,249.10 and 9,007.66 is: 13,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.44 : 28,249.10 = 9,007.66 : x
  2. Step 2: Convert to fraction form
    18,861.44/28,249.10 = 9,007.66/x
  3. Step 3: Cross multiply
    18,861.44x = 28,249.10 × 9,007.66
  4. Step 4: Simplify right side
    18,861.44x = 254,458,288.11
  5. Step 5: Solve for x
    x = 254,458,288.11/18,861.44
  6. Step 6: Final answer
    x = 13,490.93

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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.