Home / 13,548.56-20,329.32-4,787.60

Finding the Fourth Proportional to 13,548.56, 20,329.32 and 4,787.60

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Solution

The fourth proportional to 13,548.56, 20,329.32 and 4,787.60 is: 7,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.56 : 20,329.32 = 4,787.60 : x
  2. Step 2: Convert to fraction form
    13,548.56/20,329.32 = 4,787.60/x
  3. Step 3: Cross multiply
    13,548.56x = 20,329.32 × 4,787.60
  4. Step 4: Simplify right side
    13,548.56x = 97,328,652.43
  5. Step 5: Solve for x
    x = 97,328,652.43/13,548.56
  6. Step 6: Final answer
    x = 7,183.69

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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.