Home / 8,912.88-13,344.36-6,714.72

Finding the Fourth Proportional to 8,912.88, 13,344.36 and 6,714.72

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Solution

The fourth proportional to 8,912.88, 13,344.36 and 6,714.72 is: 10,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.88 : 13,344.36 = 6,714.72 : x
  2. Step 2: Convert to fraction form
    8,912.88/13,344.36 = 6,714.72/x
  3. Step 3: Cross multiply
    8,912.88x = 13,344.36 × 6,714.72
  4. Step 4: Simplify right side
    8,912.88x = 89,603,640.98
  5. Step 5: Solve for x
    x = 89,603,640.98/8,912.88
  6. Step 6: Final answer
    x = 10,053.28

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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.