Home / 18,501.06-27,744.29-7,405.68

Finding the Fourth Proportional to 18,501.06, 27,744.29 and 7,405.68

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Solution

The fourth proportional to 18,501.06, 27,744.29 and 7,405.68 is: 11,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.06 : 27,744.29 = 7,405.68 : x
  2. Step 2: Convert to fraction form
    18,501.06/27,744.29 = 7,405.68/x
  3. Step 3: Cross multiply
    18,501.06x = 27,744.29 × 7,405.68
  4. Step 4: Simplify right side
    18,501.06x = 205,465,296.54
  5. Step 5: Solve for x
    x = 205,465,296.54/18,501.06
  6. Step 6: Final answer
    x = 11,105.60

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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.