Home / 11,619.87-16,035.39-6,314.69

Finding the Fourth Proportional to 11,619.87, 16,035.39 and 6,314.69

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Solution

The fourth proportional to 11,619.87, 16,035.39 and 6,314.69 is: 8,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.87 : 16,035.39 = 6,314.69 : x
  2. Step 2: Convert to fraction form
    11,619.87/16,035.39 = 6,314.69/x
  3. Step 3: Cross multiply
    11,619.87x = 16,035.39 × 6,314.69
  4. Step 4: Simplify right side
    11,619.87x = 101,258,436.70
  5. Step 5: Solve for x
    x = 101,258,436.70/11,619.87
  6. Step 6: Final answer
    x = 8,714.25

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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.