Home / 11,100.23-16,658.55-5,256.85

Finding the Fourth Proportional to 11,100.23, 16,658.55 and 5,256.85

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Solution

The fourth proportional to 11,100.23, 16,658.55 and 5,256.85 is: 7,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.23 : 16,658.55 = 5,256.85 : x
  2. Step 2: Convert to fraction form
    11,100.23/16,658.55 = 5,256.85/x
  3. Step 3: Cross multiply
    11,100.23x = 16,658.55 × 5,256.85
  4. Step 4: Simplify right side
    11,100.23x = 87,571,415.27
  5. Step 5: Solve for x
    x = 87,571,415.27/11,100.23
  6. Step 6: Final answer
    x = 7,889.16

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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.