Home / 19,801.45-29,692.46-7,320.97

Finding the Fourth Proportional to 19,801.45, 29,692.46 and 7,320.97

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Solution

The fourth proportional to 19,801.45, 29,692.46 and 7,320.97 is: 10,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.45 : 29,692.46 = 7,320.97 : x
  2. Step 2: Convert to fraction form
    19,801.45/29,692.46 = 7,320.97/x
  3. Step 3: Cross multiply
    19,801.45x = 29,692.46 × 7,320.97
  4. Step 4: Simplify right side
    19,801.45x = 217,377,572.28
  5. Step 5: Solve for x
    x = 217,377,572.28/19,801.45
  6. Step 6: Final answer
    x = 10,977.86

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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.