Home / 14,327.28-19,770.48-8,039.52

Finding the Fourth Proportional to 14,327.28, 19,770.48 and 8,039.52

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Solution

The fourth proportional to 14,327.28, 19,770.48 and 8,039.52 is: 11,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.28 : 19,770.48 = 8,039.52 : x
  2. Step 2: Convert to fraction form
    14,327.28/19,770.48 = 8,039.52/x
  3. Step 3: Cross multiply
    14,327.28x = 19,770.48 × 8,039.52
  4. Step 4: Simplify right side
    14,327.28x = 158,945,169.37
  5. Step 5: Solve for x
    x = 158,945,169.37/14,327.28
  6. Step 6: Final answer
    x = 11,093.88

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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.