Home / 11,913.39-17,871.92-3,592.31

Finding the Fourth Proportional to 11,913.39, 17,871.92 and 3,592.31

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Solution

The fourth proportional to 11,913.39, 17,871.92 and 3,592.31 is: 5,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.39 : 17,871.92 = 3,592.31 : x
  2. Step 2: Convert to fraction form
    11,913.39/17,871.92 = 3,592.31/x
  3. Step 3: Cross multiply
    11,913.39x = 17,871.92 × 3,592.31
  4. Step 4: Simplify right side
    11,913.39x = 64,201,369.61
  5. Step 5: Solve for x
    x = 64,201,369.61/11,913.39
  6. Step 6: Final answer
    x = 5,389.01

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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.