Home / 16,805.26-25,207.88-5,118.58

Finding the Fourth Proportional to 16,805.26, 25,207.88 and 5,118.58

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Solution

The fourth proportional to 16,805.26, 25,207.88 and 5,118.58 is: 7,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.26 : 25,207.88 = 5,118.58 : x
  2. Step 2: Convert to fraction form
    16,805.26/25,207.88 = 5,118.58/x
  3. Step 3: Cross multiply
    16,805.26x = 25,207.88 × 5,118.58
  4. Step 4: Simplify right side
    16,805.26x = 129,028,550.41
  5. Step 5: Solve for x
    x = 129,028,550.41/16,805.26
  6. Step 6: Final answer
    x = 7,677.87

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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.