Home / 19,114.56-28,675.20-8,727.36

Finding the Fourth Proportional to 19,114.56, 28,675.20 and 8,727.36

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Solution

The fourth proportional to 19,114.56, 28,675.20 and 8,727.36 is: 13,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.56 : 28,675.20 = 8,727.36 : x
  2. Step 2: Convert to fraction form
    19,114.56/28,675.20 = 8,727.36/x
  3. Step 3: Cross multiply
    19,114.56x = 28,675.20 × 8,727.36
  4. Step 4: Simplify right side
    19,114.56x = 250,258,793.47
  5. Step 5: Solve for x
    x = 250,258,793.47/19,114.56
  6. Step 6: Final answer
    x = 13,092.57

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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.