Home / 8,911.53-13,367.70-7,604.37

Finding the Fourth Proportional to 8,911.53, 13,367.70 and 7,604.37

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Solution

The fourth proportional to 8,911.53, 13,367.70 and 7,604.37 is: 11,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.53 : 13,367.70 = 7,604.37 : x
  2. Step 2: Convert to fraction form
    8,911.53/13,367.70 = 7,604.37/x
  3. Step 3: Cross multiply
    8,911.53x = 13,367.70 × 7,604.37
  4. Step 4: Simplify right side
    8,911.53x = 101,652,936.85
  5. Step 5: Solve for x
    x = 101,652,936.85/8,911.53
  6. Step 6: Final answer
    x = 11,406.90

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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.