Home / 12,964.24-19,429.95-8,282.44

Finding the Fourth Proportional to 12,964.24, 19,429.95 and 8,282.44

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Solution

The fourth proportional to 12,964.24, 19,429.95 and 8,282.44 is: 12,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.24 : 19,429.95 = 8,282.44 : x
  2. Step 2: Convert to fraction form
    12,964.24/19,429.95 = 8,282.44/x
  3. Step 3: Cross multiply
    12,964.24x = 19,429.95 × 8,282.44
  4. Step 4: Simplify right side
    12,964.24x = 160,927,297.93
  5. Step 5: Solve for x
    x = 160,927,297.93/12,964.24
  6. Step 6: Final answer
    x = 12,413.17

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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.