Home / 16,858.11-25,287.17-4,377.09

Finding the Fourth Proportional to 16,858.11, 25,287.17 and 4,377.09

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Solution

The fourth proportional to 16,858.11, 25,287.17 and 4,377.09 is: 6,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.11 : 25,287.17 = 4,377.09 : x
  2. Step 2: Convert to fraction form
    16,858.11/25,287.17 = 4,377.09/x
  3. Step 3: Cross multiply
    16,858.11x = 25,287.17 × 4,377.09
  4. Step 4: Simplify right side
    16,858.11x = 110,684,197.05
  5. Step 5: Solve for x
    x = 110,684,197.05/16,858.11
  6. Step 6: Final answer
    x = 6,565.64

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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.