Home / 13,685.23-20,527.85-3,296.98

Finding the Fourth Proportional to 13,685.23, 20,527.85 and 3,296.98

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Solution

The fourth proportional to 13,685.23, 20,527.85 and 3,296.98 is: 4,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685.23 : 20,527.85 = 3,296.98 : x
  2. Step 2: Convert to fraction form
    13,685.23/20,527.85 = 3,296.98/x
  3. Step 3: Cross multiply
    13,685.23x = 20,527.85 × 3,296.98
  4. Step 4: Simplify right side
    13,685.23x = 67,679,843.09
  5. Step 5: Solve for x
    x = 67,679,843.09/13,685.23
  6. Step 6: Final answer
    x = 4,945.47

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Similar ratio
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1.5x scale

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.