Home / 14,572.44-20,112.30-8,286.84

Finding the Fourth Proportional to 14,572.44, 20,112.30 and 8,286.84

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Solution

The fourth proportional to 14,572.44, 20,112.30 and 8,286.84 is: 11,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.44 : 20,112.30 = 8,286.84 : x
  2. Step 2: Convert to fraction form
    14,572.44/20,112.30 = 8,286.84/x
  3. Step 3: Cross multiply
    14,572.44x = 20,112.30 × 8,286.84
  4. Step 4: Simplify right side
    14,572.44x = 166,667,412.13
  5. Step 5: Solve for x
    x = 166,667,412.13/14,572.44
  6. Step 6: Final answer
    x = 11,437.17

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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.