Home / 20,221.54-30,332.39-6,181.52

Finding the Fourth Proportional to 20,221.54, 30,332.39 and 6,181.52

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Solution

The fourth proportional to 20,221.54, 30,332.39 and 6,181.52 is: 9,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.54 : 30,332.39 = 6,181.52 : x
  2. Step 2: Convert to fraction form
    20,221.54/30,332.39 = 6,181.52/x
  3. Step 3: Cross multiply
    20,221.54x = 30,332.39 × 6,181.52
  4. Step 4: Simplify right side
    20,221.54x = 187,500,123.77
  5. Step 5: Solve for x
    x = 187,500,123.77/20,221.54
  6. Step 6: Final answer
    x = 9,272.30

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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.