Home / 11,970.53-17,954.42-3,206.15

Finding the Fourth Proportional to 11,970.53, 17,954.42 and 3,206.15

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Solution

The fourth proportional to 11,970.53, 17,954.42 and 3,206.15 is: 4,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.53 : 17,954.42 = 3,206.15 : x
  2. Step 2: Convert to fraction form
    11,970.53/17,954.42 = 3,206.15/x
  3. Step 3: Cross multiply
    11,970.53x = 17,954.42 × 3,206.15
  4. Step 4: Simplify right side
    11,970.53x = 57,564,457.88
  5. Step 5: Solve for x
    x = 57,564,457.88/11,970.53
  6. Step 6: Final answer
    x = 4,808.85

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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.