Home / 10,641.12-15,961.76-4,400.16

Finding the Fourth Proportional to 10,641.12, 15,961.76 and 4,400.16

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Solution

The fourth proportional to 10,641.12, 15,961.76 and 4,400.16 is: 6,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.12 : 15,961.76 = 4,400.16 : x
  2. Step 2: Convert to fraction form
    10,641.12/15,961.76 = 4,400.16/x
  3. Step 3: Cross multiply
    10,641.12x = 15,961.76 × 4,400.16
  4. Step 4: Simplify right side
    10,641.12x = 70,234,297.88
  5. Step 5: Solve for x
    x = 70,234,297.88/10,641.12
  6. Step 6: Final answer
    x = 6,600.27

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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.