Home / 12,107.25-18,144.72-6,473.37

Finding the Fourth Proportional to 12,107.25, 18,144.72 and 6,473.37

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Solution

The fourth proportional to 12,107.25, 18,144.72 and 6,473.37 is: 9,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.25 : 18,144.72 = 6,473.37 : x
  2. Step 2: Convert to fraction form
    12,107.25/18,144.72 = 6,473.37/x
  3. Step 3: Cross multiply
    12,107.25x = 18,144.72 × 6,473.37
  4. Step 4: Simplify right side
    12,107.25x = 117,457,486.11
  5. Step 5: Solve for x
    x = 117,457,486.11/12,107.25
  6. Step 6: Final answer
    x = 9,701.42

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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.