Home / 16,553.70-22,828.63-12,770.90

Finding the Fourth Proportional to 16,553.70, 22,828.63 and 12,770.90

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Solution

The fourth proportional to 16,553.70, 22,828.63 and 12,770.90 is: 17,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,553.70 : 22,828.63 = 12,770.90 : x
  2. Step 2: Convert to fraction form
    16,553.70/22,828.63 = 12,770.90/x
  3. Step 3: Cross multiply
    16,553.70x = 22,828.63 × 12,770.90
  4. Step 4: Simplify right side
    16,553.70x = 291,542,150.87
  5. Step 5: Solve for x
    x = 291,542,150.87/16,553.70
  6. Step 6: Final answer
    x = 17,611.90

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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.