Home / 12,994.28-19,491.15-5,201

Finding the Fourth Proportional to 12,994.28, 19,491.15 and 5,201

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Solution

The fourth proportional to 12,994.28, 19,491.15 and 5,201 is: 7,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.28 : 19,491.15 = 5,201 : x
  2. Step 2: Convert to fraction form
    12,994.28/19,491.15 = 5,201/x
  3. Step 3: Cross multiply
    12,994.28x = 19,491.15 × 5,201
  4. Step 4: Simplify right side
    12,994.28x = 101,373,471.15
  5. Step 5: Solve for x
    x = 101,373,471.15/12,994.28
  6. Step 6: Final answer
    x = 7,801.39

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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.