Home / 13,923-20,886.45-4,062.99

Finding the Fourth Proportional to 13,923, 20,886.45 and 4,062.99

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Solution

The fourth proportional to 13,923, 20,886.45 and 4,062.99 is: 6,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923 : 20,886.45 = 4,062.99 : x
  2. Step 2: Convert to fraction form
    13,923/20,886.45 = 4,062.99/x
  3. Step 3: Cross multiply
    13,923x = 20,886.45 × 4,062.99
  4. Step 4: Simplify right side
    13,923x = 84,861,437.49
  5. Step 5: Solve for x
    x = 84,861,437.49/13,923
  6. Step 6: Final answer
    x = 6,095.05

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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.