Home / 12,641.15-18,964.17-4,849.36

Finding the Fourth Proportional to 12,641.15, 18,964.17 and 4,849.36

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Solution

The fourth proportional to 12,641.15, 18,964.17 and 4,849.36 is: 7,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641.15 : 18,964.17 = 4,849.36 : x
  2. Step 2: Convert to fraction form
    12,641.15/18,964.17 = 4,849.36/x
  3. Step 3: Cross multiply
    12,641.15x = 18,964.17 × 4,849.36
  4. Step 4: Simplify right side
    12,641.15x = 91,964,040.02
  5. Step 5: Solve for x
    x = 91,964,040.02/12,641.15
  6. Step 6: Final answer
    x = 7,274.97

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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.