Home / 10,655.62-15,983.34-2,758.12

Finding the Fourth Proportional to 10,655.62, 15,983.34 and 2,758.12

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Solution

The fourth proportional to 10,655.62, 15,983.34 and 2,758.12 is: 4,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.62 : 15,983.34 = 2,758.12 : x
  2. Step 2: Convert to fraction form
    10,655.62/15,983.34 = 2,758.12/x
  3. Step 3: Cross multiply
    10,655.62x = 15,983.34 × 2,758.12
  4. Step 4: Simplify right side
    10,655.62x = 44,083,969.72
  5. Step 5: Solve for x
    x = 44,083,969.72/10,655.62
  6. Step 6: Final answer
    x = 4,137.16

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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.