Home / 13,822.54-20,758.82-12,709.93

Finding the Fourth Proportional to 13,822.54, 20,758.82 and 12,709.93

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Solution

The fourth proportional to 13,822.54, 20,758.82 and 12,709.93 is: 19,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.54 : 20,758.82 = 12,709.93 : x
  2. Step 2: Convert to fraction form
    13,822.54/20,758.82 = 12,709.93/x
  3. Step 3: Cross multiply
    13,822.54x = 20,758.82 × 12,709.93
  4. Step 4: Simplify right side
    13,822.54x = 263,843,208.60
  5. Step 5: Solve for x
    x = 263,843,208.60/13,822.54
  6. Step 6: Final answer
    x = 19,087.89

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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.