Home / 13,271.64-19,919.77-6,702.44

Finding the Fourth Proportional to 13,271.64, 19,919.77 and 6,702.44

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Solution

The fourth proportional to 13,271.64, 19,919.77 and 6,702.44 is: 10,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.64 : 19,919.77 = 6,702.44 : x
  2. Step 2: Convert to fraction form
    13,271.64/19,919.77 = 6,702.44/x
  3. Step 3: Cross multiply
    13,271.64x = 19,919.77 × 6,702.44
  4. Step 4: Simplify right side
    13,271.64x = 133,511,096.28
  5. Step 5: Solve for x
    x = 133,511,096.28/13,271.64
  6. Step 6: Final answer
    x = 10,059.88

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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.