Home / 10,644.14-15,963.68-4,717.78

Finding the Fourth Proportional to 10,644.14, 15,963.68 and 4,717.78

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Solution

The fourth proportional to 10,644.14, 15,963.68 and 4,717.78 is: 7,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.14 : 15,963.68 = 4,717.78 : x
  2. Step 2: Convert to fraction form
    10,644.14/15,963.68 = 4,717.78/x
  3. Step 3: Cross multiply
    10,644.14x = 15,963.68 × 4,717.78
  4. Step 4: Simplify right side
    10,644.14x = 75,313,102.12
  5. Step 5: Solve for x
    x = 75,313,102.12/10,644.14
  6. Step 6: Final answer
    x = 7,075.54

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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.