Home / 10,416.44-15,617.64-5,480.84

Finding the Fourth Proportional to 10,416.44, 15,617.64 and 5,480.84

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Solution

The fourth proportional to 10,416.44, 15,617.64 and 5,480.84 is: 8,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.44 : 15,617.64 = 5,480.84 : x
  2. Step 2: Convert to fraction form
    10,416.44/15,617.64 = 5,480.84/x
  3. Step 3: Cross multiply
    10,416.44x = 15,617.64 × 5,480.84
  4. Step 4: Simplify right side
    10,416.44x = 85,597,786.02
  5. Step 5: Solve for x
    x = 85,597,786.02/10,416.44
  6. Step 6: Final answer
    x = 8,217.57

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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.