Home / 12,675.30-19,013.04-3,910.20

Finding the Fourth Proportional to 12,675.30, 19,013.04 and 3,910.20

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Solution

The fourth proportional to 12,675.30, 19,013.04 and 3,910.20 is: 5,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.30 : 19,013.04 = 3,910.20 : x
  2. Step 2: Convert to fraction form
    12,675.30/19,013.04 = 3,910.20/x
  3. Step 3: Cross multiply
    12,675.30x = 19,013.04 × 3,910.20
  4. Step 4: Simplify right side
    12,675.30x = 74,344,789.01
  5. Step 5: Solve for x
    x = 74,344,789.01/12,675.30
  6. Step 6: Final answer
    x = 5,865.33

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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.