Home / 10,268.91-14,171.07-5,553.18

Finding the Fourth Proportional to 10,268.91, 14,171.07 and 5,553.18

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Solution

The fourth proportional to 10,268.91, 14,171.07 and 5,553.18 is: 7,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.91 : 14,171.07 = 5,553.18 : x
  2. Step 2: Convert to fraction form
    10,268.91/14,171.07 = 5,553.18/x
  3. Step 3: Cross multiply
    10,268.91x = 14,171.07 × 5,553.18
  4. Step 4: Simplify right side
    10,268.91x = 78,694,502.50
  5. Step 5: Solve for x
    x = 78,694,502.50/10,268.91
  6. Step 6: Final answer
    x = 7,663.37

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1.5x scale

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.