Home / 11,928.26-16,459.45-6,622.05

Finding the Fourth Proportional to 11,928.26, 16,459.45 and 6,622.05

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Solution

The fourth proportional to 11,928.26, 16,459.45 and 6,622.05 is: 9,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.26 : 16,459.45 = 6,622.05 : x
  2. Step 2: Convert to fraction form
    11,928.26/16,459.45 = 6,622.05/x
  3. Step 3: Cross multiply
    11,928.26x = 16,459.45 × 6,622.05
  4. Step 4: Simplify right side
    11,928.26x = 108,995,383.29
  5. Step 5: Solve for x
    x = 108,995,383.29/11,928.26
  6. Step 6: Final answer
    x = 9,137.57

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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.