Home / 13,548.25-20,328.85-4,787.29

Finding the Fourth Proportional to 13,548.25, 20,328.85 and 4,787.29

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Solution

The fourth proportional to 13,548.25, 20,328.85 and 4,787.29 is: 7,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.25 : 20,328.85 = 4,787.29 : x
  2. Step 2: Convert to fraction form
    13,548.25/20,328.85 = 4,787.29/x
  3. Step 3: Cross multiply
    13,548.25x = 20,328.85 × 4,787.29
  4. Step 4: Simplify right side
    13,548.25x = 97,320,055.48
  5. Step 5: Solve for x
    x = 97,320,055.48/13,548.25
  6. Step 6: Final answer
    x = 7,183.22

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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.