Home / 13,695.62-20,543.46-3,307.37

Finding the Fourth Proportional to 13,695.62, 20,543.46 and 3,307.37

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Solution

The fourth proportional to 13,695.62, 20,543.46 and 3,307.37 is: 4,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.62 : 20,543.46 = 3,307.37 : x
  2. Step 2: Convert to fraction form
    13,695.62/20,543.46 = 3,307.37/x
  3. Step 3: Cross multiply
    13,695.62x = 20,543.46 × 3,307.37
  4. Step 4: Simplify right side
    13,695.62x = 67,944,874.66
  5. Step 5: Solve for x
    x = 67,944,874.66/13,695.62
  6. Step 6: Final answer
    x = 4,961.07

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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.