Home / 11,333.09-16,990.65-4,311.69

Finding the Fourth Proportional to 11,333.09, 16,990.65 and 4,311.69

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Solution

The fourth proportional to 11,333.09, 16,990.65 and 4,311.69 is: 6,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.09 : 16,990.65 = 4,311.69 : x
  2. Step 2: Convert to fraction form
    11,333.09/16,990.65 = 4,311.69/x
  3. Step 3: Cross multiply
    11,333.09x = 16,990.65 × 4,311.69
  4. Step 4: Simplify right side
    11,333.09x = 73,258,415.70
  5. Step 5: Solve for x
    x = 73,258,415.70/11,333.09
  6. Step 6: Final answer
    x = 6,464.12

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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.