Home / 10,383.67-15,579.15-6,483.52

Finding the Fourth Proportional to 10,383.67, 15,579.15 and 6,483.52

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Solution

The fourth proportional to 10,383.67, 15,579.15 and 6,483.52 is: 9,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.67 : 15,579.15 = 6,483.52 : x
  2. Step 2: Convert to fraction form
    10,383.67/15,579.15 = 6,483.52/x
  3. Step 3: Cross multiply
    10,383.67x = 15,579.15 × 6,483.52
  4. Step 4: Simplify right side
    10,383.67x = 101,007,730.61
  5. Step 5: Solve for x
    x = 101,007,730.61/10,383.67
  6. Step 6: Final answer
    x = 9,727.56

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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.