Home / 16,816.31-25,224.39-5,129.49

Finding the Fourth Proportional to 16,816.31, 25,224.39 and 5,129.49

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Solution

The fourth proportional to 16,816.31, 25,224.39 and 5,129.49 is: 7,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.31 : 25,224.39 = 5,129.49 : x
  2. Step 2: Convert to fraction form
    16,816.31/25,224.39 = 5,129.49/x
  3. Step 3: Cross multiply
    16,816.31x = 25,224.39 × 5,129.49
  4. Step 4: Simplify right side
    16,816.31x = 129,388,117.32
  5. Step 5: Solve for x
    x = 129,388,117.32/16,816.31
  6. Step 6: Final answer
    x = 7,694.21

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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.