Home / 13,944.64-20,910.82-6,551.20

Finding the Fourth Proportional to 13,944.64, 20,910.82 and 6,551.20

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Solution

The fourth proportional to 13,944.64, 20,910.82 and 6,551.20 is: 9,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.64 : 20,910.82 = 6,551.20 : x
  2. Step 2: Convert to fraction form
    13,944.64/20,910.82 = 6,551.20/x
  3. Step 3: Cross multiply
    13,944.64x = 20,910.82 × 6,551.20
  4. Step 4: Simplify right side
    13,944.64x = 136,990,963.98
  5. Step 5: Solve for x
    x = 136,990,963.98/13,944.64
  6. Step 6: Final answer
    x = 9,823.92

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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.