Home / 10,639.68-14,682.12-6,163.14

Finding the Fourth Proportional to 10,639.68, 14,682.12 and 6,163.14

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Solution

The fourth proportional to 10,639.68, 14,682.12 and 6,163.14 is: 8,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.68 : 14,682.12 = 6,163.14 : x
  2. Step 2: Convert to fraction form
    10,639.68/14,682.12 = 6,163.14/x
  3. Step 3: Cross multiply
    10,639.68x = 14,682.12 × 6,163.14
  4. Step 4: Simplify right side
    10,639.68x = 90,487,961.06
  5. Step 5: Solve for x
    x = 90,487,961.06/10,639.68
  6. Step 6: Final answer
    x = 8,504.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.