Home / 12,484.51-18,721.57-5,083.95

Finding the Fourth Proportional to 12,484.51, 18,721.57 and 5,083.95

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Solution

The fourth proportional to 12,484.51, 18,721.57 and 5,083.95 is: 7,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.51 : 18,721.57 = 5,083.95 : x
  2. Step 2: Convert to fraction form
    12,484.51/18,721.57 = 5,083.95/x
  3. Step 3: Cross multiply
    12,484.51x = 18,721.57 × 5,083.95
  4. Step 4: Simplify right side
    12,484.51x = 95,179,525.80
  5. Step 5: Solve for x
    x = 95,179,525.80/12,484.51
  6. Step 6: Final answer
    x = 7,623.81

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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.