Home / 13,419.37-20,122.22-5,093.05

Finding the Fourth Proportional to 13,419.37, 20,122.22 and 5,093.05

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Solution

The fourth proportional to 13,419.37, 20,122.22 and 5,093.05 is: 7,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.37 : 20,122.22 = 5,093.05 : x
  2. Step 2: Convert to fraction form
    13,419.37/20,122.22 = 5,093.05/x
  3. Step 3: Cross multiply
    13,419.37x = 20,122.22 × 5,093.05
  4. Step 4: Simplify right side
    13,419.37x = 102,483,529.32
  5. Step 5: Solve for x
    x = 102,483,529.32/13,419.37
  6. Step 6: Final answer
    x = 7,636.98

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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.