Home / 13,999.88-19,318.28-8,333.87

Finding the Fourth Proportional to 13,999.88, 19,318.28 and 8,333.87

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Solution

The fourth proportional to 13,999.88, 19,318.28 and 8,333.87 is: 11,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.88 : 19,318.28 = 8,333.87 : x
  2. Step 2: Convert to fraction form
    13,999.88/19,318.28 = 8,333.87/x
  3. Step 3: Cross multiply
    13,999.88x = 19,318.28 × 8,333.87
  4. Step 4: Simplify right side
    13,999.88x = 160,995,958.39
  5. Step 5: Solve for x
    x = 160,995,958.39/13,999.88
  6. Step 6: Final answer
    x = 11,499.81

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Similar ratio
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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.