Home / 13,829.73-20,745.89-5,507.74

Finding the Fourth Proportional to 13,829.73, 20,745.89 and 5,507.74

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Solution

The fourth proportional to 13,829.73, 20,745.89 and 5,507.74 is: 8,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.73 : 20,745.89 = 5,507.74 : x
  2. Step 2: Convert to fraction form
    13,829.73/20,745.89 = 5,507.74/x
  3. Step 3: Cross multiply
    13,829.73x = 20,745.89 × 5,507.74
  4. Step 4: Simplify right side
    13,829.73x = 114,262,888.79
  5. Step 5: Solve for x
    x = 114,262,888.79/13,829.73
  6. Step 6: Final answer
    x = 8,262.12

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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.