Home / 18,829.94-28,212.50-13,273.34

Finding the Fourth Proportional to 18,829.94, 28,212.50 and 13,273.34

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Solution

The fourth proportional to 18,829.94, 28,212.50 and 13,273.34 is: 19,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.94 : 28,212.50 = 13,273.34 : x
  2. Step 2: Convert to fraction form
    18,829.94/28,212.50 = 13,273.34/x
  3. Step 3: Cross multiply
    18,829.94x = 28,212.50 × 13,273.34
  4. Step 4: Simplify right side
    18,829.94x = 374,473,996.87
  5. Step 5: Solve for x
    x = 374,473,996.87/18,829.94
  6. Step 6: Final answer
    x = 19,887.16

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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.