Home / 13,154.20-19,731.30-3,293.46

Finding the Fourth Proportional to 13,154.20, 19,731.30 and 3,293.46

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Solution

The fourth proportional to 13,154.20, 19,731.30 and 3,293.46 is: 4,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.20 : 19,731.30 = 3,293.46 : x
  2. Step 2: Convert to fraction form
    13,154.20/19,731.30 = 3,293.46/x
  3. Step 3: Cross multiply
    13,154.20x = 19,731.30 × 3,293.46
  4. Step 4: Simplify right side
    13,154.20x = 64,984,247.30
  5. Step 5: Solve for x
    x = 64,984,247.30/13,154.20
  6. Step 6: Final answer
    x = 4,940.19

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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.