Home / 20,261.95-30,392.01-6,221.41

Finding the Fourth Proportional to 20,261.95, 30,392.01 and 6,221.41

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Solution

The fourth proportional to 20,261.95, 30,392.01 and 6,221.41 is: 9,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.95 : 30,392.01 = 6,221.41 : x
  2. Step 2: Convert to fraction form
    20,261.95/30,392.01 = 6,221.41/x
  3. Step 3: Cross multiply
    20,261.95x = 30,392.01 × 6,221.41
  4. Step 4: Simplify right side
    20,261.95x = 189,081,078.95
  5. Step 5: Solve for x
    x = 189,081,078.95/20,261.95
  6. Step 6: Final answer
    x = 9,331.83

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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.