Home / 12,659.52-18,984.96-4,871.04

Finding the Fourth Proportional to 12,659.52, 18,984.96 and 4,871.04

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Solution

The fourth proportional to 12,659.52, 18,984.96 and 4,871.04 is: 7,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.52 : 18,984.96 = 4,871.04 : x
  2. Step 2: Convert to fraction form
    12,659.52/18,984.96 = 4,871.04/x
  3. Step 3: Cross multiply
    12,659.52x = 18,984.96 × 4,871.04
  4. Step 4: Simplify right side
    12,659.52x = 92,476,499.56
  5. Step 5: Solve for x
    x = 92,476,499.56/12,659.52
  6. Step 6: Final answer
    x = 7,304.90

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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.