Home / 13,998.19-20,997.57-4,137.47

Finding the Fourth Proportional to 13,998.19, 20,997.57 and 4,137.47

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Solution

The fourth proportional to 13,998.19, 20,997.57 and 4,137.47 is: 6,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.19 : 20,997.57 = 4,137.47 : x
  2. Step 2: Convert to fraction form
    13,998.19/20,997.57 = 4,137.47/x
  3. Step 3: Cross multiply
    13,998.19x = 20,997.57 × 4,137.47
  4. Step 4: Simplify right side
    13,998.19x = 86,876,746.35
  5. Step 5: Solve for x
    x = 86,876,746.35/13,998.19
  6. Step 6: Final answer
    x = 6,206.29

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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.