Home / 19,134.20-28,701.30-14,468.60

Finding the Fourth Proportional to 19,134.20, 28,701.30 and 14,468.60

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Solution

The fourth proportional to 19,134.20, 28,701.30 and 14,468.60 is: 21,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.20 : 28,701.30 = 14,468.60 : x
  2. Step 2: Convert to fraction form
    19,134.20/28,701.30 = 14,468.60/x
  3. Step 3: Cross multiply
    19,134.20x = 28,701.30 × 14,468.60
  4. Step 4: Simplify right side
    19,134.20x = 415,267,629.18
  5. Step 5: Solve for x
    x = 415,267,629.18/19,134.20
  6. Step 6: Final answer
    x = 21,702.90

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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.