Home / 19,812.89-27,295.83-13,835.09

Finding the Fourth Proportional to 19,812.89, 27,295.83 and 13,835.09

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Solution

The fourth proportional to 19,812.89, 27,295.83 and 13,835.09 is: 19,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.89 : 27,295.83 = 13,835.09 : x
  2. Step 2: Convert to fraction form
    19,812.89/27,295.83 = 13,835.09/x
  3. Step 3: Cross multiply
    19,812.89x = 27,295.83 × 13,835.09
  4. Step 4: Simplify right side
    19,812.89x = 377,640,128.20
  5. Step 5: Solve for x
    x = 377,640,128.20/19,812.89
  6. Step 6: Final answer
    x = 19,060.33

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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.