Home / 20,580.76-30,867.91-6,538.94

Finding the Fourth Proportional to 20,580.76, 30,867.91 and 6,538.94

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Solution

The fourth proportional to 20,580.76, 30,867.91 and 6,538.94 is: 9,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.76 : 30,867.91 = 6,538.94 : x
  2. Step 2: Convert to fraction form
    20,580.76/30,867.91 = 6,538.94/x
  3. Step 3: Cross multiply
    20,580.76x = 30,867.91 × 6,538.94
  4. Step 4: Simplify right side
    20,580.76x = 201,843,240.73
  5. Step 5: Solve for x
    x = 201,843,240.73/20,580.76
  6. Step 6: Final answer
    x = 9,807.38

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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.