Home / 10,886.72-16,340.11-6,734.85

Finding the Fourth Proportional to 10,886.72, 16,340.11 and 6,734.85

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Solution

The fourth proportional to 10,886.72, 16,340.11 and 6,734.85 is: 10,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.72 : 16,340.11 = 6,734.85 : x
  2. Step 2: Convert to fraction form
    10,886.72/16,340.11 = 6,734.85/x
  3. Step 3: Cross multiply
    10,886.72x = 16,340.11 × 6,734.85
  4. Step 4: Simplify right side
    10,886.72x = 110,048,149.60
  5. Step 5: Solve for x
    x = 110,048,149.60/10,886.72
  6. Step 6: Final answer
    x = 10,108.48

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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.