Home / 9,814.50-14,721.68-5,441.21

Finding the Fourth Proportional to 9,814.50, 14,721.68 and 5,441.21

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Solution

The fourth proportional to 9,814.50, 14,721.68 and 5,441.21 is: 8,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.50 : 14,721.68 = 5,441.21 : x
  2. Step 2: Convert to fraction form
    9,814.50/14,721.68 = 5,441.21/x
  3. Step 3: Cross multiply
    9,814.50x = 14,721.68 × 5,441.21
  4. Step 4: Simplify right side
    9,814.50x = 80,103,747.63
  5. Step 5: Solve for x
    x = 80,103,747.63/9,814.50
  6. Step 6: Final answer
    x = 8,161.78

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1.5x scale

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.