Home / 13,280.73-19,933.43-6,711.54

Finding the Fourth Proportional to 13,280.73, 19,933.43 and 6,711.54

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Solution

The fourth proportional to 13,280.73, 19,933.43 and 6,711.54 is: 10,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.73 : 19,933.43 = 6,711.54 : x
  2. Step 2: Convert to fraction form
    13,280.73/19,933.43 = 6,711.54/x
  3. Step 3: Cross multiply
    13,280.73x = 19,933.43 × 6,711.54
  4. Step 4: Simplify right side
    13,280.73x = 133,783,979.22
  5. Step 5: Solve for x
    x = 133,783,979.22/13,280.73
  6. Step 6: Final answer
    x = 10,073.54

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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.