Home / 12,994.08-19,491.36-3,760

Finding the Fourth Proportional to 12,994.08, 19,491.36 and 3,760

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Solution

The fourth proportional to 12,994.08, 19,491.36 and 3,760 is: 5,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.08 : 19,491.36 = 3,760 : x
  2. Step 2: Convert to fraction form
    12,994.08/19,491.36 = 3,760/x
  3. Step 3: Cross multiply
    12,994.08x = 19,491.36 × 3,760
  4. Step 4: Simplify right side
    12,994.08x = 73,287,513.60
  5. Step 5: Solve for x
    x = 73,287,513.60/12,994.08
  6. Step 6: Final answer
    x = 5,640.07

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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.