Home / 18,809.20-28,214.21-6,963.56

Finding the Fourth Proportional to 18,809.20, 28,214.21 and 6,963.56

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Solution

The fourth proportional to 18,809.20, 28,214.21 and 6,963.56 is: 10,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809.20 : 28,214.21 = 6,963.56 : x
  2. Step 2: Convert to fraction form
    18,809.20/28,214.21 = 6,963.56/x
  3. Step 3: Cross multiply
    18,809.20x = 28,214.21 × 6,963.56
  4. Step 4: Simplify right side
    18,809.20x = 196,471,344.19
  5. Step 5: Solve for x
    x = 196,471,344.19/18,809.20
  6. Step 6: Final answer
    x = 10,445.49

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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.