Home / 20,580.73-30,867.48-5,786.13

Finding the Fourth Proportional to 20,580.73, 30,867.48 and 5,786.13

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Solution

The fourth proportional to 20,580.73, 30,867.48 and 5,786.13 is: 8,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.73 : 30,867.48 = 5,786.13 : x
  2. Step 2: Convert to fraction form
    20,580.73/30,867.48 = 5,786.13/x
  3. Step 3: Cross multiply
    20,580.73x = 30,867.48 × 5,786.13
  4. Step 4: Simplify right side
    20,580.73x = 178,603,367.81
  5. Step 5: Solve for x
    x = 178,603,367.81/20,580.73
  6. Step 6: Final answer
    x = 8,678.18

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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.