Home / 10,380.32-14,324.83-6,188.57

Finding the Fourth Proportional to 10,380.32, 14,324.83 and 6,188.57

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Solution

The fourth proportional to 10,380.32, 14,324.83 and 6,188.57 is: 8,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.32 : 14,324.83 = 6,188.57 : x
  2. Step 2: Convert to fraction form
    10,380.32/14,324.83 = 6,188.57/x
  3. Step 3: Cross multiply
    10,380.32x = 14,324.83 × 6,188.57
  4. Step 4: Simplify right side
    10,380.32x = 88,650,141.57
  5. Step 5: Solve for x
    x = 88,650,141.57/10,380.32
  6. Step 6: Final answer
    x = 8,540.22

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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.