Home / 13,389.07-20,082.08-3,393.77

Finding the Fourth Proportional to 13,389.07, 20,082.08 and 3,393.77

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Solution

The fourth proportional to 13,389.07, 20,082.08 and 3,393.77 is: 5,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.07 : 20,082.08 = 3,393.77 : x
  2. Step 2: Convert to fraction form
    13,389.07/20,082.08 = 3,393.77/x
  3. Step 3: Cross multiply
    13,389.07x = 20,082.08 × 3,393.77
  4. Step 4: Simplify right side
    13,389.07x = 68,153,944.02
  5. Step 5: Solve for x
    x = 68,153,944.02/13,389.07
  6. Step 6: Final answer
    x = 5,090.27

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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.