Home / 18,887.06-28,324.79-6,234.48

Finding the Fourth Proportional to 18,887.06, 28,324.79 and 6,234.48

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Solution

The fourth proportional to 18,887.06, 28,324.79 and 6,234.48 is: 9,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.06 : 28,324.79 = 6,234.48 : x
  2. Step 2: Convert to fraction form
    18,887.06/28,324.79 = 6,234.48/x
  3. Step 3: Cross multiply
    18,887.06x = 28,324.79 × 6,234.48
  4. Step 4: Simplify right side
    18,887.06x = 176,590,305.59
  5. Step 5: Solve for x
    x = 176,590,305.59/18,887.06
  6. Step 6: Final answer
    x = 9,349.81

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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.