Home / 13,983.02-19,299.21-8,949.37

Finding the Fourth Proportional to 13,983.02, 19,299.21 and 8,949.37

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Solution

The fourth proportional to 13,983.02, 19,299.21 and 8,949.37 is: 12,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.02 : 19,299.21 = 8,949.37 : x
  2. Step 2: Convert to fraction form
    13,983.02/19,299.21 = 8,949.37/x
  3. Step 3: Cross multiply
    13,983.02x = 19,299.21 × 8,949.37
  4. Step 4: Simplify right side
    13,983.02x = 172,715,722.75
  5. Step 5: Solve for x
    x = 172,715,722.75/13,983.02
  6. Step 6: Final answer
    x = 12,351.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.