Home / 19,520.98-29,262.02-11,190.94

Finding the Fourth Proportional to 19,520.98, 29,262.02 and 11,190.94

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Solution

The fourth proportional to 19,520.98, 29,262.02 and 11,190.94 is: 16,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.98 : 29,262.02 = 11,190.94 : x
  2. Step 2: Convert to fraction form
    19,520.98/29,262.02 = 11,190.94/x
  3. Step 3: Cross multiply
    19,520.98x = 29,262.02 × 11,190.94
  4. Step 4: Simplify right side
    19,520.98x = 327,469,510.10
  5. Step 5: Solve for x
    x = 327,469,510.10/19,520.98
  6. Step 6: Final answer
    x = 16,775.26

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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.