Home / 14,110.32-21,179.25-6,719.88

Finding the Fourth Proportional to 14,110.32, 21,179.25 and 6,719.88

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Solution

The fourth proportional to 14,110.32, 21,179.25 and 6,719.88 is: 10,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.32 : 21,179.25 = 6,719.88 : x
  2. Step 2: Convert to fraction form
    14,110.32/21,179.25 = 6,719.88/x
  3. Step 3: Cross multiply
    14,110.32x = 21,179.25 × 6,719.88
  4. Step 4: Simplify right side
    14,110.32x = 142,322,018.49
  5. Step 5: Solve for x
    x = 142,322,018.49/14,110.32
  6. Step 6: Final answer
    x = 10,086.38

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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.