Home / 14,021.56-21,032.34-4,787.56

Finding the Fourth Proportional to 14,021.56, 21,032.34 and 4,787.56

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Solution

The fourth proportional to 14,021.56, 21,032.34 and 4,787.56 is: 7,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.56 : 21,032.34 = 4,787.56 : x
  2. Step 2: Convert to fraction form
    14,021.56/21,032.34 = 4,787.56/x
  3. Step 3: Cross multiply
    14,021.56x = 21,032.34 × 4,787.56
  4. Step 4: Simplify right side
    14,021.56x = 100,693,589.69
  5. Step 5: Solve for x
    x = 100,693,589.69/14,021.56
  6. Step 6: Final answer
    x = 7,181.34

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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.