Home / 20,252.79-30,385.02-6,214.88

Finding the Fourth Proportional to 20,252.79, 30,385.02 and 6,214.88

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Solution

The fourth proportional to 20,252.79, 30,385.02 and 6,214.88 is: 9,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.79 : 30,385.02 = 6,214.88 : x
  2. Step 2: Convert to fraction form
    20,252.79/30,385.02 = 6,214.88/x
  3. Step 3: Cross multiply
    20,252.79x = 30,385.02 × 6,214.88
  4. Step 4: Simplify right side
    20,252.79x = 188,839,253.10
  5. Step 5: Solve for x
    x = 188,839,253.10/20,252.79
  6. Step 6: Final answer
    x = 9,324.11

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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.