Home / 10,838.58-16,245.32-4,982.90

Finding the Fourth Proportional to 10,838.58, 16,245.32 and 4,982.90

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Solution

The fourth proportional to 10,838.58, 16,245.32 and 4,982.90 is: 7,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.58 : 16,245.32 = 4,982.90 : x
  2. Step 2: Convert to fraction form
    10,838.58/16,245.32 = 4,982.90/x
  3. Step 3: Cross multiply
    10,838.58x = 16,245.32 × 4,982.90
  4. Step 4: Simplify right side
    10,838.58x = 80,948,805.03
  5. Step 5: Solve for x
    x = 80,948,805.03/10,838.58
  6. Step 6: Final answer
    x = 7,468.58

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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.