Home / 13,725.15-18,942.96-10,362.70

Finding the Fourth Proportional to 13,725.15, 18,942.96 and 10,362.70

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Solution

The fourth proportional to 13,725.15, 18,942.96 and 10,362.70 is: 14,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.15 : 18,942.96 = 10,362.70 : x
  2. Step 2: Convert to fraction form
    13,725.15/18,942.96 = 10,362.70/x
  3. Step 3: Cross multiply
    13,725.15x = 18,942.96 × 10,362.70
  4. Step 4: Simplify right side
    13,725.15x = 196,300,211.59
  5. Step 5: Solve for x
    x = 196,300,211.59/13,725.15
  6. Step 6: Final answer
    x = 14,302.23

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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.