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Finding the Fourth Proportional to 11,263.72, 16,894.06 and 2,944.32

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Solution

The fourth proportional to 11,263.72, 16,894.06 and 2,944.32 is: 4,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.72 : 16,894.06 = 2,944.32 : x
  2. Step 2: Convert to fraction form
    11,263.72/16,894.06 = 2,944.32/x
  3. Step 3: Cross multiply
    11,263.72x = 16,894.06 × 2,944.32
  4. Step 4: Simplify right side
    11,263.72x = 49,741,518.74
  5. Step 5: Solve for x
    x = 49,741,518.74/11,263.72
  6. Step 6: Final answer
    x = 4,416.08

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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.