Home / 20,227.42-30,328.45-6,182.78

Finding the Fourth Proportional to 20,227.42, 30,328.45 and 6,182.78

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Solution

The fourth proportional to 20,227.42, 30,328.45 and 6,182.78 is: 9,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.42 : 30,328.45 = 6,182.78 : x
  2. Step 2: Convert to fraction form
    20,227.42/30,328.45 = 6,182.78/x
  3. Step 3: Cross multiply
    20,227.42x = 30,328.45 × 6,182.78
  4. Step 4: Simplify right side
    20,227.42x = 187,513,966.99
  5. Step 5: Solve for x
    x = 187,513,966.99/20,227.42
  6. Step 6: Final answer
    x = 9,270.29

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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.