Home / 12,902.94-19,336.14-5,499.90

Finding the Fourth Proportional to 12,902.94, 19,336.14 and 5,499.90

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Solution

The fourth proportional to 12,902.94, 19,336.14 and 5,499.90 is: 8,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.94 : 19,336.14 = 5,499.90 : x
  2. Step 2: Convert to fraction form
    12,902.94/19,336.14 = 5,499.90/x
  3. Step 3: Cross multiply
    12,902.94x = 19,336.14 × 5,499.90
  4. Step 4: Simplify right side
    12,902.94x = 106,346,836.39
  5. Step 5: Solve for x
    x = 106,346,836.39/12,902.94
  6. Step 6: Final answer
    x = 8,242.06

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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.