Home / 16,995.80-25,497.34-7,129.39

Finding the Fourth Proportional to 16,995.80, 25,497.34 and 7,129.39

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Solution

The fourth proportional to 16,995.80, 25,497.34 and 7,129.39 is: 10,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.80 : 25,497.34 = 7,129.39 : x
  2. Step 2: Convert to fraction form
    16,995.80/25,497.34 = 7,129.39/x
  3. Step 3: Cross multiply
    16,995.80x = 25,497.34 × 7,129.39
  4. Step 4: Simplify right side
    16,995.80x = 181,780,399.26
  5. Step 5: Solve for x
    x = 181,780,399.26/16,995.80
  6. Step 6: Final answer
    x = 10,695.61

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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.