Home / 11,260.79-16,894.83-5,416.64

Finding the Fourth Proportional to 11,260.79, 16,894.83 and 5,416.64

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Solution

The fourth proportional to 11,260.79, 16,894.83 and 5,416.64 is: 8,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.79 : 16,894.83 = 5,416.64 : x
  2. Step 2: Convert to fraction form
    11,260.79/16,894.83 = 5,416.64/x
  3. Step 3: Cross multiply
    11,260.79x = 16,894.83 × 5,416.64
  4. Step 4: Simplify right side
    11,260.79x = 91,513,211.97
  5. Step 5: Solve for x
    x = 91,513,211.97/11,260.79
  6. Step 6: Final answer
    x = 8,126.71

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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.