Home / 13,817.39-20,725.98-3,956.69

Finding the Fourth Proportional to 13,817.39, 20,725.98 and 3,956.69

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Solution

The fourth proportional to 13,817.39, 20,725.98 and 3,956.69 is: 5,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.39 : 20,725.98 = 3,956.69 : x
  2. Step 2: Convert to fraction form
    13,817.39/20,725.98 = 3,956.69/x
  3. Step 3: Cross multiply
    13,817.39x = 20,725.98 × 3,956.69
  4. Step 4: Simplify right side
    13,817.39x = 82,006,174.18
  5. Step 5: Solve for x
    x = 82,006,174.18/13,817.39
  6. Step 6: Final answer
    x = 5,935.00

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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.