Home / 12,644.10-18,966.96-4,851.90

Finding the Fourth Proportional to 12,644.10, 18,966.96 and 4,851.90

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Solution

The fourth proportional to 12,644.10, 18,966.96 and 4,851.90 is: 7,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.10 : 18,966.96 = 4,851.90 : x
  2. Step 2: Convert to fraction form
    12,644.10/18,966.96 = 4,851.90/x
  3. Step 3: Cross multiply
    12,644.10x = 18,966.96 × 4,851.90
  4. Step 4: Simplify right side
    12,644.10x = 92,025,793.22
  5. Step 5: Solve for x
    x = 92,025,793.22/12,644.10
  6. Step 6: Final answer
    x = 7,278.16

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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.