Home / 11,245.53-15,520.19-6,529.80

Finding the Fourth Proportional to 11,245.53, 15,520.19 and 6,529.80

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Solution

The fourth proportional to 11,245.53, 15,520.19 and 6,529.80 is: 9,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.53 : 15,520.19 = 6,529.80 : x
  2. Step 2: Convert to fraction form
    11,245.53/15,520.19 = 6,529.80/x
  3. Step 3: Cross multiply
    11,245.53x = 15,520.19 × 6,529.80
  4. Step 4: Simplify right side
    11,245.53x = 101,343,704.01
  5. Step 5: Solve for x
    x = 101,343,704.01/11,245.53
  6. Step 6: Final answer
    x = 9,011.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.