Home / 10,890.35-16,333.98-3,493.85

Finding the Fourth Proportional to 10,890.35, 16,333.98 and 3,493.85

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Solution

The fourth proportional to 10,890.35, 16,333.98 and 3,493.85 is: 5,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.35 : 16,333.98 = 3,493.85 : x
  2. Step 2: Convert to fraction form
    10,890.35/16,333.98 = 3,493.85/x
  3. Step 3: Cross multiply
    10,890.35x = 16,333.98 × 3,493.85
  4. Step 4: Simplify right side
    10,890.35x = 57,068,394.35
  5. Step 5: Solve for x
    x = 57,068,394.35/10,890.35
  6. Step 6: Final answer
    x = 5,240.27

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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.