Home / 11,928.40-17,893.85-4,031.84

Finding the Fourth Proportional to 11,928.40, 17,893.85 and 4,031.84

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Solution

The fourth proportional to 11,928.40, 17,893.85 and 4,031.84 is: 6,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.40 : 17,893.85 = 4,031.84 : x
  2. Step 2: Convert to fraction form
    11,928.40/17,893.85 = 4,031.84/x
  3. Step 3: Cross multiply
    11,928.40x = 17,893.85 × 4,031.84
  4. Step 4: Simplify right side
    11,928.40x = 72,145,164.76
  5. Step 5: Solve for x
    x = 72,145,164.76/11,928.40
  6. Step 6: Final answer
    x = 6,048.19

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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.