Home / 11,314.36-16,965.06-4,380.76

Finding the Fourth Proportional to 11,314.36, 16,965.06 and 4,380.76

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Solution

The fourth proportional to 11,314.36, 16,965.06 and 4,380.76 is: 6,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.36 : 16,965.06 = 4,380.76 : x
  2. Step 2: Convert to fraction form
    11,314.36/16,965.06 = 4,380.76/x
  3. Step 3: Cross multiply
    11,314.36x = 16,965.06 × 4,380.76
  4. Step 4: Simplify right side
    11,314.36x = 74,319,856.25
  5. Step 5: Solve for x
    x = 74,319,856.25/11,314.36
  6. Step 6: Final answer
    x = 6,568.63

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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.