Home / 10,856.26-16,283.76-4,191.46

Finding the Fourth Proportional to 10,856.26, 16,283.76 and 4,191.46

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Solution

The fourth proportional to 10,856.26, 16,283.76 and 4,191.46 is: 6,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.26 : 16,283.76 = 4,191.46 : x
  2. Step 2: Convert to fraction form
    10,856.26/16,283.76 = 4,191.46/x
  3. Step 3: Cross multiply
    10,856.26x = 16,283.76 × 4,191.46
  4. Step 4: Simplify right side
    10,856.26x = 68,252,728.69
  5. Step 5: Solve for x
    x = 68,252,728.69/10,856.26
  6. Step 6: Final answer
    x = 6,286.95

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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.