Home / 19,254.56-28,876.83-8,155.53

Finding the Fourth Proportional to 19,254.56, 28,876.83 and 8,155.53

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Solution

The fourth proportional to 19,254.56, 28,876.83 and 8,155.53 is: 12,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.56 : 28,876.83 = 8,155.53 : x
  2. Step 2: Convert to fraction form
    19,254.56/28,876.83 = 8,155.53/x
  3. Step 3: Cross multiply
    19,254.56x = 28,876.83 × 8,155.53
  4. Step 4: Simplify right side
    19,254.56x = 235,505,853.37
  5. Step 5: Solve for x
    x = 235,505,853.37/19,254.56
  6. Step 6: Final answer
    x = 12,231.18

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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.