Home / 13,930.93-20,900.73-4,571.02

Finding the Fourth Proportional to 13,930.93, 20,900.73 and 4,571.02

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Solution

The fourth proportional to 13,930.93, 20,900.73 and 4,571.02 is: 6,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.93 : 20,900.73 = 4,571.02 : x
  2. Step 2: Convert to fraction form
    13,930.93/20,900.73 = 4,571.02/x
  3. Step 3: Cross multiply
    13,930.93x = 20,900.73 × 4,571.02
  4. Step 4: Simplify right side
    13,930.93x = 95,537,654.84
  5. Step 5: Solve for x
    x = 95,537,654.84/13,930.93
  6. Step 6: Final answer
    x = 6,857.95

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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.