Home / 12,484.26-18,721.21-5,083.70

Finding the Fourth Proportional to 12,484.26, 18,721.21 and 5,083.70

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Solution

The fourth proportional to 12,484.26, 18,721.21 and 5,083.70 is: 7,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.26 : 18,721.21 = 5,083.70 : x
  2. Step 2: Convert to fraction form
    12,484.26/18,721.21 = 5,083.70/x
  3. Step 3: Cross multiply
    12,484.26x = 18,721.21 × 5,083.70
  4. Step 4: Simplify right side
    12,484.26x = 95,173,015.28
  5. Step 5: Solve for x
    x = 95,173,015.28/12,484.26
  6. Step 6: Final answer
    x = 7,623.44

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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.