Home / 9,213.32-12,714.21-5,234.39

Finding the Fourth Proportional to 9,213.32, 12,714.21 and 5,234.39

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Solution

The fourth proportional to 9,213.32, 12,714.21 and 5,234.39 is: 7,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.32 : 12,714.21 = 5,234.39 : x
  2. Step 2: Convert to fraction form
    9,213.32/12,714.21 = 5,234.39/x
  3. Step 3: Cross multiply
    9,213.32x = 12,714.21 × 5,234.39
  4. Step 4: Simplify right side
    9,213.32x = 66,551,133.68
  5. Step 5: Solve for x
    x = 66,551,133.68/9,213.32
  6. Step 6: Final answer
    x = 7,223.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.