Home / 16,858.76-25,288.78-4,378.44

Finding the Fourth Proportional to 16,858.76, 25,288.78 and 4,378.44

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Solution

The fourth proportional to 16,858.76, 25,288.78 and 4,378.44 is: 6,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.76 : 25,288.78 = 4,378.44 : x
  2. Step 2: Convert to fraction form
    16,858.76/25,288.78 = 4,378.44/x
  3. Step 3: Cross multiply
    16,858.76x = 25,288.78 × 4,378.44
  4. Step 4: Simplify right side
    16,858.76x = 110,725,405.90
  5. Step 5: Solve for x
    x = 110,725,405.90/16,858.76
  6. Step 6: Final answer
    x = 6,567.83

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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.