Home / 16,805.30-25,208.15-5,712.21

Finding the Fourth Proportional to 16,805.30, 25,208.15 and 5,712.21

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Solution

The fourth proportional to 16,805.30, 25,208.15 and 5,712.21 is: 8,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.30 : 25,208.15 = 5,712.21 : x
  2. Step 2: Convert to fraction form
    16,805.30/25,208.15 = 5,712.21/x
  3. Step 3: Cross multiply
    16,805.30x = 25,208.15 × 5,712.21
  4. Step 4: Simplify right side
    16,805.30x = 143,994,217.95
  5. Step 5: Solve for x
    x = 143,994,217.95/16,805.30
  6. Step 6: Final answer
    x = 8,568.38

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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.