Home / 18,265.14-27,395.19-7,875.54

Finding the Fourth Proportional to 18,265.14, 27,395.19 and 7,875.54

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Solution

The fourth proportional to 18,265.14, 27,395.19 and 7,875.54 is: 11,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.14 : 27,395.19 = 7,875.54 : x
  2. Step 2: Convert to fraction form
    18,265.14/27,395.19 = 7,875.54/x
  3. Step 3: Cross multiply
    18,265.14x = 27,395.19 × 7,875.54
  4. Step 4: Simplify right side
    18,265.14x = 215,751,914.65
  5. Step 5: Solve for x
    x = 215,751,914.65/18,265.14
  6. Step 6: Final answer
    x = 11,812.22

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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.