Home / 20,333.43-30,510.47-13,745.09

Finding the Fourth Proportional to 20,333.43, 30,510.47 and 13,745.09

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Solution

The fourth proportional to 20,333.43, 30,510.47 and 13,745.09 is: 20,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.43 : 30,510.47 = 13,745.09 : x
  2. Step 2: Convert to fraction form
    20,333.43/30,510.47 = 13,745.09/x
  3. Step 3: Cross multiply
    20,333.43x = 30,510.47 × 13,745.09
  4. Step 4: Simplify right side
    20,333.43x = 419,369,266.73
  5. Step 5: Solve for x
    x = 419,369,266.73/20,333.43
  6. Step 6: Final answer
    x = 20,624.62

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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.