Home / 8,447.18-12,669.72-3,516.17

Finding the Fourth Proportional to 8,447.18, 12,669.72 and 3,516.17

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Solution

The fourth proportional to 8,447.18, 12,669.72 and 3,516.17 is: 5,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.18 : 12,669.72 = 3,516.17 : x
  2. Step 2: Convert to fraction form
    8,447.18/12,669.72 = 3,516.17/x
  3. Step 3: Cross multiply
    8,447.18x = 12,669.72 × 3,516.17
  4. Step 4: Simplify right side
    8,447.18x = 44,548,889.37
  5. Step 5: Solve for x
    x = 44,548,889.37/8,447.18
  6. Step 6: Final answer
    x = 5,273.82

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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.