Home / 20,548.72-30,829.56-8,867.44

Finding the Fourth Proportional to 20,548.72, 30,829.56 and 8,867.44

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Solution

The fourth proportional to 20,548.72, 30,829.56 and 8,867.44 is: 13,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.72 : 30,829.56 = 8,867.44 : x
  2. Step 2: Convert to fraction form
    20,548.72/30,829.56 = 8,867.44/x
  3. Step 3: Cross multiply
    20,548.72x = 30,829.56 × 8,867.44
  4. Step 4: Simplify right side
    20,548.72x = 273,379,273.53
  5. Step 5: Solve for x
    x = 273,379,273.53/20,548.72
  6. Step 6: Final answer
    x = 13,303.96

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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.