Home / 10,366.43-14,306.99-7,721.37

Finding the Fourth Proportional to 10,366.43, 14,306.99 and 7,721.37

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Solution

The fourth proportional to 10,366.43, 14,306.99 and 7,721.37 is: 10,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.43 : 14,306.99 = 7,721.37 : x
  2. Step 2: Convert to fraction form
    10,366.43/14,306.99 = 7,721.37/x
  3. Step 3: Cross multiply
    10,366.43x = 14,306.99 × 7,721.37
  4. Step 4: Simplify right side
    10,366.43x = 110,469,524.77
  5. Step 5: Solve for x
    x = 110,469,524.77/10,366.43
  6. Step 6: Final answer
    x = 10,656.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.