Home / 12,950.15-19,425.33-4,185.06

Finding the Fourth Proportional to 12,950.15, 19,425.33 and 4,185.06

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Solution

The fourth proportional to 12,950.15, 19,425.33 and 4,185.06 is: 6,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.15 : 19,425.33 = 4,185.06 : x
  2. Step 2: Convert to fraction form
    12,950.15/19,425.33 = 4,185.06/x
  3. Step 3: Cross multiply
    12,950.15x = 19,425.33 × 4,185.06
  4. Step 4: Simplify right side
    12,950.15x = 81,296,171.57
  5. Step 5: Solve for x
    x = 81,296,171.57/12,950.15
  6. Step 6: Final answer
    x = 6,277.62

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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.