Home / 19,940.34-29,847.33-11,148.60

Finding the Fourth Proportional to 19,940.34, 29,847.33 and 11,148.60

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Solution

The fourth proportional to 19,940.34, 29,847.33 and 11,148.60 is: 16,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.34 : 29,847.33 = 11,148.60 : x
  2. Step 2: Convert to fraction form
    19,940.34/29,847.33 = 11,148.60/x
  3. Step 3: Cross multiply
    19,940.34x = 29,847.33 × 11,148.60
  4. Step 4: Simplify right side
    19,940.34x = 332,755,943.24
  5. Step 5: Solve for x
    x = 332,755,943.24/19,940.34
  6. Step 6: Final answer
    x = 16,687.58

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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.