Home / 14,039.53-21,063.17-6,140.61

Finding the Fourth Proportional to 14,039.53, 21,063.17 and 6,140.61

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Solution

The fourth proportional to 14,039.53, 21,063.17 and 6,140.61 is: 9,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.53 : 21,063.17 = 6,140.61 : x
  2. Step 2: Convert to fraction form
    14,039.53/21,063.17 = 6,140.61/x
  3. Step 3: Cross multiply
    14,039.53x = 21,063.17 × 6,140.61
  4. Step 4: Simplify right side
    14,039.53x = 129,340,727.69
  5. Step 5: Solve for x
    x = 129,340,727.69/14,039.53
  6. Step 6: Final answer
    x = 9,212.61

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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.