Home / 20,072.52-30,108.51-6,221.52

Finding the Fourth Proportional to 20,072.52, 30,108.51 and 6,221.52

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Solution

The fourth proportional to 20,072.52, 30,108.51 and 6,221.52 is: 9,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.52 : 30,108.51 = 6,221.52 : x
  2. Step 2: Convert to fraction form
    20,072.52/30,108.51 = 6,221.52/x
  3. Step 3: Cross multiply
    20,072.52x = 30,108.51 × 6,221.52
  4. Step 4: Simplify right side
    20,072.52x = 187,320,697.14
  5. Step 5: Solve for x
    x = 187,320,697.14/20,072.52
  6. Step 6: Final answer
    x = 9,332.20

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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.