Home / 10,644.83-15,977.09-5,383.56

Finding the Fourth Proportional to 10,644.83, 15,977.09 and 5,383.56

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Solution

The fourth proportional to 10,644.83, 15,977.09 and 5,383.56 is: 8,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.83 : 15,977.09 = 5,383.56 : x
  2. Step 2: Convert to fraction form
    10,644.83/15,977.09 = 5,383.56/x
  3. Step 3: Cross multiply
    10,644.83x = 15,977.09 × 5,383.56
  4. Step 4: Simplify right side
    10,644.83x = 86,013,636.10
  5. Step 5: Solve for x
    x = 86,013,636.10/10,644.83
  6. Step 6: Final answer
    x = 8,080.32

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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.