Home / 13,988.73-20,983.10-3,601.29

Finding the Fourth Proportional to 13,988.73, 20,983.10 and 3,601.29

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Solution

The fourth proportional to 13,988.73, 20,983.10 and 3,601.29 is: 5,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.73 : 20,983.10 = 3,601.29 : x
  2. Step 2: Convert to fraction form
    13,988.73/20,983.10 = 3,601.29/x
  3. Step 3: Cross multiply
    13,988.73x = 20,983.10 × 3,601.29
  4. Step 4: Simplify right side
    13,988.73x = 75,566,228.20
  5. Step 5: Solve for x
    x = 75,566,228.20/13,988.73
  6. Step 6: Final answer
    x = 5,401.94

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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.