Home / 12,619.35-18,922.44-4,715.37

Finding the Fourth Proportional to 12,619.35, 18,922.44 and 4,715.37

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Solution

The fourth proportional to 12,619.35, 18,922.44 and 4,715.37 is: 7,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.35 : 18,922.44 = 4,715.37 : x
  2. Step 2: Convert to fraction form
    12,619.35/18,922.44 = 4,715.37/x
  3. Step 3: Cross multiply
    12,619.35x = 18,922.44 × 4,715.37
  4. Step 4: Simplify right side
    12,619.35x = 89,226,305.90
  5. Step 5: Solve for x
    x = 89,226,305.90/12,619.35
  6. Step 6: Final answer
    x = 7,070.59

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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.