Home / 12,725.46-19,091.88-5,703.90

Finding the Fourth Proportional to 12,725.46, 19,091.88 and 5,703.90

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Solution

The fourth proportional to 12,725.46, 19,091.88 and 5,703.90 is: 8,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.46 : 19,091.88 = 5,703.90 : x
  2. Step 2: Convert to fraction form
    12,725.46/19,091.88 = 5,703.90/x
  3. Step 3: Cross multiply
    12,725.46x = 19,091.88 × 5,703.90
  4. Step 4: Simplify right side
    12,725.46x = 108,898,174.33
  5. Step 5: Solve for x
    x = 108,898,174.33/12,725.46
  6. Step 6: Final answer
    x = 8,557.50

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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.