Home / 19,206.24-28,789.92-12,950.88

Finding the Fourth Proportional to 19,206.24, 28,789.92 and 12,950.88

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Solution

The fourth proportional to 19,206.24, 28,789.92 and 12,950.88 is: 19,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.24 : 28,789.92 = 12,950.88 : x
  2. Step 2: Convert to fraction form
    19,206.24/28,789.92 = 12,950.88/x
  3. Step 3: Cross multiply
    19,206.24x = 28,789.92 × 12,950.88
  4. Step 4: Simplify right side
    19,206.24x = 372,854,799.13
  5. Step 5: Solve for x
    x = 372,854,799.13/19,206.24
  6. Step 6: Final answer
    x = 19,413.21

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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.