Home / 20,293.37-27,982.06-13,113.83

Finding the Fourth Proportional to 20,293.37, 27,982.06 and 13,113.83

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Solution

The fourth proportional to 20,293.37, 27,982.06 and 13,113.83 is: 18,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.37 : 27,982.06 = 13,113.83 : x
  2. Step 2: Convert to fraction form
    20,293.37/27,982.06 = 13,113.83/x
  3. Step 3: Cross multiply
    20,293.37x = 27,982.06 × 13,113.83
  4. Step 4: Simplify right side
    20,293.37x = 366,951,977.89
  5. Step 5: Solve for x
    x = 366,951,977.89/20,293.37
  6. Step 6: Final answer
    x = 18,082.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.