Home / 11,380.32-15,704.94-6,664.74

Finding the Fourth Proportional to 11,380.32, 15,704.94 and 6,664.74

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Solution

The fourth proportional to 11,380.32, 15,704.94 and 6,664.74 is: 9,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.32 : 15,704.94 = 6,664.74 : x
  2. Step 2: Convert to fraction form
    11,380.32/15,704.94 = 6,664.74/x
  3. Step 3: Cross multiply
    11,380.32x = 15,704.94 × 6,664.74
  4. Step 4: Simplify right side
    11,380.32x = 104,669,341.82
  5. Step 5: Solve for x
    x = 104,669,341.82/11,380.32
  6. Step 6: Final answer
    x = 9,197.40

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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.