Home / 18,187.48-27,306.76-9,309.16

Finding the Fourth Proportional to 18,187.48, 27,306.76 and 9,309.16

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Solution

The fourth proportional to 18,187.48, 27,306.76 and 9,309.16 is: 13,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.48 : 27,306.76 = 9,309.16 : x
  2. Step 2: Convert to fraction form
    18,187.48/27,306.76 = 9,309.16/x
  3. Step 3: Cross multiply
    18,187.48x = 27,306.76 × 9,309.16
  4. Step 4: Simplify right side
    18,187.48x = 254,202,997.92
  5. Step 5: Solve for x
    x = 254,202,997.92/18,187.48
  6. Step 6: Final answer
    x = 13,976.81

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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.