Home / 11,325.63-16,995.12-4,311.54

Finding the Fourth Proportional to 11,325.63, 16,995.12 and 4,311.54

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Solution

The fourth proportional to 11,325.63, 16,995.12 and 4,311.54 is: 6,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.63 : 16,995.12 = 4,311.54 : x
  2. Step 2: Convert to fraction form
    11,325.63/16,995.12 = 4,311.54/x
  3. Step 3: Cross multiply
    11,325.63x = 16,995.12 × 4,311.54
  4. Step 4: Simplify right side
    11,325.63x = 73,275,123.52
  5. Step 5: Solve for x
    x = 73,275,123.52/11,325.63
  6. Step 6: Final answer
    x = 6,469.85

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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.