Home / 13,141.19-19,704.49-4,371.32

Finding the Fourth Proportional to 13,141.19, 19,704.49 and 4,371.32

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Solution

The fourth proportional to 13,141.19, 19,704.49 and 4,371.32 is: 6,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.19 : 19,704.49 = 4,371.32 : x
  2. Step 2: Convert to fraction form
    13,141.19/19,704.49 = 4,371.32/x
  3. Step 3: Cross multiply
    13,141.19x = 19,704.49 × 4,371.32
  4. Step 4: Simplify right side
    13,141.19x = 86,134,510.85
  5. Step 5: Solve for x
    x = 86,134,510.85/13,141.19
  6. Step 6: Final answer
    x = 6,554.55

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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.