Home / 13,107.03-19,660.30-3,246.31

Finding the Fourth Proportional to 13,107.03, 19,660.30 and 3,246.31

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Solution

The fourth proportional to 13,107.03, 19,660.30 and 3,246.31 is: 4,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.03 : 19,660.30 = 3,246.31 : x
  2. Step 2: Convert to fraction form
    13,107.03/19,660.30 = 3,246.31/x
  3. Step 3: Cross multiply
    13,107.03x = 19,660.30 × 3,246.31
  4. Step 4: Simplify right side
    13,107.03x = 63,823,428.49
  5. Step 5: Solve for x
    x = 63,823,428.49/13,107.03
  6. Step 6: Final answer
    x = 4,869.40

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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.