Home / 13,388.36-20,083.41-4,622.13

Finding the Fourth Proportional to 13,388.36, 20,083.41 and 4,622.13

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Solution

The fourth proportional to 13,388.36, 20,083.41 and 4,622.13 is: 6,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.36 : 20,083.41 = 4,622.13 : x
  2. Step 2: Convert to fraction form
    13,388.36/20,083.41 = 4,622.13/x
  3. Step 3: Cross multiply
    13,388.36x = 20,083.41 × 4,622.13
  4. Step 4: Simplify right side
    13,388.36x = 92,828,131.86
  5. Step 5: Solve for x
    x = 92,828,131.86/13,388.36
  6. Step 6: Final answer
    x = 6,933.50

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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.