Home / 13,685.26-20,527.88-3,297

Finding the Fourth Proportional to 13,685.26, 20,527.88 and 3,297

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Solution

The fourth proportional to 13,685.26, 20,527.88 and 3,297 is: 4,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685.26 : 20,527.88 = 3,297 : x
  2. Step 2: Convert to fraction form
    13,685.26/20,527.88 = 3,297/x
  3. Step 3: Cross multiply
    13,685.26x = 20,527.88 × 3,297
  4. Step 4: Simplify right side
    13,685.26x = 67,680,420.36
  5. Step 5: Solve for x
    x = 67,680,420.36/13,685.26
  6. Step 6: Final answer
    x = 4,945.50

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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.