Home / 12,225.97-18,339.94-3,907.17

Finding the Fourth Proportional to 12,225.97, 18,339.94 and 3,907.17

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Solution

The fourth proportional to 12,225.97, 18,339.94 and 3,907.17 is: 5,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.97 : 18,339.94 = 3,907.17 : x
  2. Step 2: Convert to fraction form
    12,225.97/18,339.94 = 3,907.17/x
  3. Step 3: Cross multiply
    12,225.97x = 18,339.94 × 3,907.17
  4. Step 4: Simplify right side
    12,225.97x = 71,657,246.28
  5. Step 5: Solve for x
    x = 71,657,246.28/12,225.97
  6. Step 6: Final answer
    x = 5,861.07

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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.