Home / 10,638.54-15,958.62-3,616.38

Finding the Fourth Proportional to 10,638.54, 15,958.62 and 3,616.38

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Solution

The fourth proportional to 10,638.54, 15,958.62 and 3,616.38 is: 5,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.54 : 15,958.62 = 3,616.38 : x
  2. Step 2: Convert to fraction form
    10,638.54/15,958.62 = 3,616.38/x
  3. Step 3: Cross multiply
    10,638.54x = 15,958.62 × 3,616.38
  4. Step 4: Simplify right side
    10,638.54x = 57,712,434.20
  5. Step 5: Solve for x
    x = 57,712,434.20/10,638.54
  6. Step 6: Final answer
    x = 5,424.85

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1.5x scale

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.