Home / 13,243.05-19,871.85-8,052.57

Finding the Fourth Proportional to 13,243.05, 19,871.85 and 8,052.57

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Solution

The fourth proportional to 13,243.05, 19,871.85 and 8,052.57 is: 12,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.05 : 19,871.85 = 8,052.57 : x
  2. Step 2: Convert to fraction form
    13,243.05/19,871.85 = 8,052.57/x
  3. Step 3: Cross multiply
    13,243.05x = 19,871.85 × 8,052.57
  4. Step 4: Simplify right side
    13,243.05x = 160,019,463.15
  5. Step 5: Solve for x
    x = 160,019,463.15/13,243.05
  6. Step 6: Final answer
    x = 12,083.28

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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.