Home / 10,383.68-15,576.52-3,808.28

Finding the Fourth Proportional to 10,383.68, 15,576.52 and 3,808.28

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Solution

The fourth proportional to 10,383.68, 15,576.52 and 3,808.28 is: 5,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.68 : 15,576.52 = 3,808.28 : x
  2. Step 2: Convert to fraction form
    10,383.68/15,576.52 = 3,808.28/x
  3. Step 3: Cross multiply
    10,383.68x = 15,576.52 × 3,808.28
  4. Step 4: Simplify right side
    10,383.68x = 59,319,749.59
  5. Step 5: Solve for x
    x = 59,319,749.59/10,383.68
  6. Step 6: Final answer
    x = 5,712.79

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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.