Home / 11,372.64-15,694.40-6,336.72

Finding the Fourth Proportional to 11,372.64, 15,694.40 and 6,336.72

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Solution

The fourth proportional to 11,372.64, 15,694.40 and 6,336.72 is: 8,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.64 : 15,694.40 = 6,336.72 : x
  2. Step 2: Convert to fraction form
    11,372.64/15,694.40 = 6,336.72/x
  3. Step 3: Cross multiply
    11,372.64x = 15,694.40 × 6,336.72
  4. Step 4: Simplify right side
    11,372.64x = 99,451,018.37
  5. Step 5: Solve for x
    x = 99,451,018.37/11,372.64
  6. Step 6: Final answer
    x = 8,744.76

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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.