Home / 12,200.28-16,837.10-6,895.80

Finding the Fourth Proportional to 12,200.28, 16,837.10 and 6,895.80

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Solution

The fourth proportional to 12,200.28, 16,837.10 and 6,895.80 is: 9,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.28 : 16,837.10 = 6,895.80 : x
  2. Step 2: Convert to fraction form
    12,200.28/16,837.10 = 6,895.80/x
  3. Step 3: Cross multiply
    12,200.28x = 16,837.10 × 6,895.80
  4. Step 4: Simplify right side
    12,200.28x = 116,105,274.18
  5. Step 5: Solve for x
    x = 116,105,274.18/12,200.28
  6. Step 6: Final answer
    x = 9,516.61

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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.