Home / 18,293.32-27,441.03-5,146.69

Finding the Fourth Proportional to 18,293.32, 27,441.03 and 5,146.69

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Solution

The fourth proportional to 18,293.32, 27,441.03 and 5,146.69 is: 7,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.32 : 27,441.03 = 5,146.69 : x
  2. Step 2: Convert to fraction form
    18,293.32/27,441.03 = 5,146.69/x
  3. Step 3: Cross multiply
    18,293.32x = 27,441.03 × 5,146.69
  4. Step 4: Simplify right side
    18,293.32x = 141,230,474.69
  5. Step 5: Solve for x
    x = 141,230,474.69/18,293.32
  6. Step 6: Final answer
    x = 7,720.33

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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.