Home / 13,393.37-20,090.43-5,071.84

Finding the Fourth Proportional to 13,393.37, 20,090.43 and 5,071.84

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Solution

The fourth proportional to 13,393.37, 20,090.43 and 5,071.84 is: 7,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.37 : 20,090.43 = 5,071.84 : x
  2. Step 2: Convert to fraction form
    13,393.37/20,090.43 = 5,071.84/x
  3. Step 3: Cross multiply
    13,393.37x = 20,090.43 × 5,071.84
  4. Step 4: Simplify right side
    13,393.37x = 101,895,396.27
  5. Step 5: Solve for x
    x = 101,895,396.27/13,393.37
  6. Step 6: Final answer
    x = 7,607.90

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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.