Home / 14,650.38-21,977.82-4,787.28

Finding the Fourth Proportional to 14,650.38, 21,977.82 and 4,787.28

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Solution

The fourth proportional to 14,650.38, 21,977.82 and 4,787.28 is: 7,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.38 : 21,977.82 = 4,787.28 : x
  2. Step 2: Convert to fraction form
    14,650.38/21,977.82 = 4,787.28/x
  3. Step 3: Cross multiply
    14,650.38x = 21,977.82 × 4,787.28
  4. Step 4: Simplify right side
    14,650.38x = 105,213,978.13
  5. Step 5: Solve for x
    x = 105,213,978.13/14,650.38
  6. Step 6: Final answer
    x = 7,181.66

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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.