Home / 11,951.10-16,492.44-6,645.90

Finding the Fourth Proportional to 11,951.10, 16,492.44 and 6,645.90

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Solution

The fourth proportional to 11,951.10, 16,492.44 and 6,645.90 is: 9,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.10 : 16,492.44 = 6,645.90 : x
  2. Step 2: Convert to fraction form
    11,951.10/16,492.44 = 6,645.90/x
  3. Step 3: Cross multiply
    11,951.10x = 16,492.44 × 6,645.90
  4. Step 4: Simplify right side
    11,951.10x = 109,607,107.00
  5. Step 5: Solve for x
    x = 109,607,107.00/11,951.10
  6. Step 6: Final answer
    x = 9,171.30

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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.