Home / 13,212.82-19,822.53-9,324.82

Finding the Fourth Proportional to 13,212.82, 19,822.53 and 9,324.82

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Solution

The fourth proportional to 13,212.82, 19,822.53 and 9,324.82 is: 13,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.82 : 19,822.53 = 9,324.82 : x
  2. Step 2: Convert to fraction form
    13,212.82/19,822.53 = 9,324.82/x
  3. Step 3: Cross multiply
    13,212.82x = 19,822.53 × 9,324.82
  4. Step 4: Simplify right side
    13,212.82x = 184,841,524.19
  5. Step 5: Solve for x
    x = 184,841,524.19/13,212.82
  6. Step 6: Final answer
    x = 13,989.56

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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.