Home / 13,949.30-20,895.71-6,908.11

Finding the Fourth Proportional to 13,949.30, 20,895.71 and 6,908.11

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Solution

The fourth proportional to 13,949.30, 20,895.71 and 6,908.11 is: 10,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.30 : 20,895.71 = 6,908.11 : x
  2. Step 2: Convert to fraction form
    13,949.30/20,895.71 = 6,908.11/x
  3. Step 3: Cross multiply
    13,949.30x = 20,895.71 × 6,908.11
  4. Step 4: Simplify right side
    13,949.30x = 144,349,776.43
  5. Step 5: Solve for x
    x = 144,349,776.43/13,949.30
  6. Step 6: Final answer
    x = 10,348.17

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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.