Home / 14,147.38-21,224.68-6,649.49

Finding the Fourth Proportional to 14,147.38, 21,224.68 and 6,649.49

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Solution

The fourth proportional to 14,147.38, 21,224.68 and 6,649.49 is: 9,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.38 : 21,224.68 = 6,649.49 : x
  2. Step 2: Convert to fraction form
    14,147.38/21,224.68 = 6,649.49/x
  3. Step 3: Cross multiply
    14,147.38x = 21,224.68 × 6,649.49
  4. Step 4: Simplify right side
    14,147.38x = 141,133,227.73
  5. Step 5: Solve for x
    x = 141,133,227.73/14,147.38
  6. Step 6: Final answer
    x = 9,975.93

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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.