Home / 14,440.67-21,660.09-6,115.49

Finding the Fourth Proportional to 14,440.67, 21,660.09 and 6,115.49

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Solution

The fourth proportional to 14,440.67, 21,660.09 and 6,115.49 is: 9,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.67 : 21,660.09 = 6,115.49 : x
  2. Step 2: Convert to fraction form
    14,440.67/21,660.09 = 6,115.49/x
  3. Step 3: Cross multiply
    14,440.67x = 21,660.09 × 6,115.49
  4. Step 4: Simplify right side
    14,440.67x = 132,462,063.79
  5. Step 5: Solve for x
    x = 132,462,063.79/14,440.67
  6. Step 6: Final answer
    x = 9,172.85

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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.