Home / 11,293.40-16,942.38-3,898.15

Finding the Fourth Proportional to 11,293.40, 16,942.38 and 3,898.15

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Solution

The fourth proportional to 11,293.40, 16,942.38 and 3,898.15 is: 5,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.40 : 16,942.38 = 3,898.15 : x
  2. Step 2: Convert to fraction form
    11,293.40/16,942.38 = 3,898.15/x
  3. Step 3: Cross multiply
    11,293.40x = 16,942.38 × 3,898.15
  4. Step 4: Simplify right side
    11,293.40x = 66,043,881.62
  5. Step 5: Solve for x
    x = 66,043,881.62/11,293.40
  6. Step 6: Final answer
    x = 5,848.01

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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.