Home / 15,871.80-23,768.82-11,180.28

Finding the Fourth Proportional to 15,871.80, 23,768.82 and 11,180.28

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Solution

The fourth proportional to 15,871.80, 23,768.82 and 11,180.28 is: 16,743.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.80 : 23,768.82 = 11,180.28 : x
  2. Step 2: Convert to fraction form
    15,871.80/23,768.82 = 11,180.28/x
  3. Step 3: Cross multiply
    15,871.80x = 23,768.82 × 11,180.28
  4. Step 4: Simplify right side
    15,871.80x = 265,742,062.87
  5. Step 5: Solve for x
    x = 265,742,062.87/15,871.80
  6. Step 6: Final answer
    x = 16,743.03

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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.