Home / 18,286.39-27,424.15-7,756.26

Finding the Fourth Proportional to 18,286.39, 27,424.15 and 7,756.26

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Solution

The fourth proportional to 18,286.39, 27,424.15 and 7,756.26 is: 11,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.39 : 27,424.15 = 7,756.26 : x
  2. Step 2: Convert to fraction form
    18,286.39/27,424.15 = 7,756.26/x
  3. Step 3: Cross multiply
    18,286.39x = 27,424.15 × 7,756.26
  4. Step 4: Simplify right side
    18,286.39x = 212,708,837.68
  5. Step 5: Solve for x
    x = 212,708,837.68/18,286.39
  6. Step 6: Final answer
    x = 11,632.08

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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.