Home / 19,660.40-29,469.83-14,110.74

Finding the Fourth Proportional to 19,660.40, 29,469.83 and 14,110.74

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Solution

The fourth proportional to 19,660.40, 29,469.83 and 14,110.74 is: 21,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.40 : 29,469.83 = 14,110.74 : x
  2. Step 2: Convert to fraction form
    19,660.40/29,469.83 = 14,110.74/x
  3. Step 3: Cross multiply
    19,660.40x = 29,469.83 × 14,110.74
  4. Step 4: Simplify right side
    19,660.40x = 415,841,144.25
  5. Step 5: Solve for x
    x = 415,841,144.25/19,660.40
  6. Step 6: Final answer
    x = 21,151.20

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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.