Home / 13,306.68-19,963.80-6,731.64

Finding the Fourth Proportional to 13,306.68, 19,963.80 and 6,731.64

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Solution

The fourth proportional to 13,306.68, 19,963.80 and 6,731.64 is: 10,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.68 : 19,963.80 = 6,731.64 : x
  2. Step 2: Convert to fraction form
    13,306.68/19,963.80 = 6,731.64/x
  3. Step 3: Cross multiply
    13,306.68x = 19,963.80 × 6,731.64
  4. Step 4: Simplify right side
    13,306.68x = 134,389,114.63
  5. Step 5: Solve for x
    x = 134,389,114.63/13,306.68
  6. Step 6: Final answer
    x = 10,099.37

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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.