Home / 13,964.49-20,943.65-8,951.81

Finding the Fourth Proportional to 13,964.49, 20,943.65 and 8,951.81

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Solution

The fourth proportional to 13,964.49, 20,943.65 and 8,951.81 is: 13,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.49 : 20,943.65 = 8,951.81 : x
  2. Step 2: Convert to fraction form
    13,964.49/20,943.65 = 8,951.81/x
  3. Step 3: Cross multiply
    13,964.49x = 20,943.65 × 8,951.81
  4. Step 4: Simplify right side
    13,964.49x = 187,483,426.03
  5. Step 5: Solve for x
    x = 187,483,426.03/13,964.49
  6. Step 6: Final answer
    x = 13,425.73

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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.