Home / 12,866.54-19,297.10-3,630.38

Finding the Fourth Proportional to 12,866.54, 19,297.10 and 3,630.38

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Solution

The fourth proportional to 12,866.54, 19,297.10 and 3,630.38 is: 5,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.54 : 19,297.10 = 3,630.38 : x
  2. Step 2: Convert to fraction form
    12,866.54/19,297.10 = 3,630.38/x
  3. Step 3: Cross multiply
    12,866.54x = 19,297.10 × 3,630.38
  4. Step 4: Simplify right side
    12,866.54x = 70,055,718.49
  5. Step 5: Solve for x
    x = 70,055,718.49/12,866.54
  6. Step 6: Final answer
    x = 5,444.80

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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.