Home / 17,202.10-23,739.85-12,945.50

Finding the Fourth Proportional to 17,202.10, 23,739.85 and 12,945.50

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Solution

The fourth proportional to 17,202.10, 23,739.85 and 12,945.50 is: 17,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,202.10 : 23,739.85 = 12,945.50 : x
  2. Step 2: Convert to fraction form
    17,202.10/23,739.85 = 12,945.50/x
  3. Step 3: Cross multiply
    17,202.10x = 23,739.85 × 12,945.50
  4. Step 4: Simplify right side
    17,202.10x = 307,324,228.18
  5. Step 5: Solve for x
    x = 307,324,228.18/17,202.10
  6. Step 6: Final answer
    x = 17,865.51

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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.