Home / 13,684.92-18,890.30-10,654.04

Finding the Fourth Proportional to 13,684.92, 18,890.30 and 10,654.04

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Solution

The fourth proportional to 13,684.92, 18,890.30 and 10,654.04 is: 14,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.92 : 18,890.30 = 10,654.04 : x
  2. Step 2: Convert to fraction form
    13,684.92/18,890.30 = 10,654.04/x
  3. Step 3: Cross multiply
    13,684.92x = 18,890.30 × 10,654.04
  4. Step 4: Simplify right side
    13,684.92x = 201,257,864.09
  5. Step 5: Solve for x
    x = 201,257,864.09/13,684.92
  6. Step 6: Final answer
    x = 14,706.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.