Home / 13,552.28-20,328.98-4,787.24

Finding the Fourth Proportional to 13,552.28, 20,328.98 and 4,787.24

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Solution

The fourth proportional to 13,552.28, 20,328.98 and 4,787.24 is: 7,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.28 : 20,328.98 = 4,787.24 : x
  2. Step 2: Convert to fraction form
    13,552.28/20,328.98 = 4,787.24/x
  3. Step 3: Cross multiply
    13,552.28x = 20,328.98 × 4,787.24
  4. Step 4: Simplify right side
    13,552.28x = 97,319,616.54
  5. Step 5: Solve for x
    x = 97,319,616.54/13,552.28
  6. Step 6: Final answer
    x = 7,181.05

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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.