Home / 11,970.19-17,955.26-3,205.11

Finding the Fourth Proportional to 11,970.19, 17,955.26 and 3,205.11

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Solution

The fourth proportional to 11,970.19, 17,955.26 and 3,205.11 is: 4,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.19 : 17,955.26 = 3,205.11 : x
  2. Step 2: Convert to fraction form
    11,970.19/17,955.26 = 3,205.11/x
  3. Step 3: Cross multiply
    11,970.19x = 17,955.26 × 3,205.11
  4. Step 4: Simplify right side
    11,970.19x = 57,548,583.38
  5. Step 5: Solve for x
    x = 57,548,583.38/11,970.19
  6. Step 6: Final answer
    x = 4,807.66

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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.