Home / 14,910.96-20,571.84-10,439.76

Finding the Fourth Proportional to 14,910.96, 20,571.84 and 10,439.76

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Solution

The fourth proportional to 14,910.96, 20,571.84 and 10,439.76 is: 14,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.96 : 20,571.84 = 10,439.76 : x
  2. Step 2: Convert to fraction form
    14,910.96/20,571.84 = 10,439.76/x
  3. Step 3: Cross multiply
    14,910.96x = 20,571.84 × 10,439.76
  4. Step 4: Simplify right side
    14,910.96x = 214,765,072.36
  5. Step 5: Solve for x
    x = 214,765,072.36/14,910.96
  6. Step 6: Final answer
    x = 14,403.17

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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.