Home / 11,928.45-16,459.71-6,622.24

Finding the Fourth Proportional to 11,928.45, 16,459.71 and 6,622.24

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Solution

The fourth proportional to 11,928.45, 16,459.71 and 6,622.24 is: 9,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.45 : 16,459.71 = 6,622.24 : x
  2. Step 2: Convert to fraction form
    11,928.45/16,459.71 = 6,622.24/x
  3. Step 3: Cross multiply
    11,928.45x = 16,459.71 × 6,622.24
  4. Step 4: Simplify right side
    11,928.45x = 109,000,182.94
  5. Step 5: Solve for x
    x = 109,000,182.94/11,928.45
  6. Step 6: Final answer
    x = 9,137.83

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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.