Home / 13,982.64-19,298.52-8,394

Finding the Fourth Proportional to 13,982.64, 19,298.52 and 8,394

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Solution

The fourth proportional to 13,982.64, 19,298.52 and 8,394 is: 11,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.64 : 19,298.52 = 8,394 : x
  2. Step 2: Convert to fraction form
    13,982.64/19,298.52 = 8,394/x
  3. Step 3: Cross multiply
    13,982.64x = 19,298.52 × 8,394
  4. Step 4: Simplify right side
    13,982.64x = 161,991,776.88
  5. Step 5: Solve for x
    x = 161,991,776.88/13,982.64
  6. Step 6: Final answer
    x = 11,585.21

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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.