Home / 12,644.67-18,966.47-4,325.43

Finding the Fourth Proportional to 12,644.67, 18,966.47 and 4,325.43

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Solution

The fourth proportional to 12,644.67, 18,966.47 and 4,325.43 is: 6,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.67 : 18,966.47 = 4,325.43 : x
  2. Step 2: Convert to fraction form
    12,644.67/18,966.47 = 4,325.43/x
  3. Step 3: Cross multiply
    12,644.67x = 18,966.47 × 4,325.43
  4. Step 4: Simplify right side
    12,644.67x = 82,038,116.70
  5. Step 5: Solve for x
    x = 82,038,116.70/12,644.67
  6. Step 6: Final answer
    x = 6,487.96

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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.