Home / 8,949.88-13,427.24-6,369.20

Finding the Fourth Proportional to 8,949.88, 13,427.24 and 6,369.20

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Solution

The fourth proportional to 8,949.88, 13,427.24 and 6,369.20 is: 9,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.88 : 13,427.24 = 6,369.20 : x
  2. Step 2: Convert to fraction form
    8,949.88/13,427.24 = 6,369.20/x
  3. Step 3: Cross multiply
    8,949.88x = 13,427.24 × 6,369.20
  4. Step 4: Simplify right side
    8,949.88x = 85,520,777.01
  5. Step 5: Solve for x
    x = 85,520,777.01/8,949.88
  6. Step 6: Final answer
    x = 9,555.52

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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.