Home / 18,881.26-28,327.16-7,195.39

Finding the Fourth Proportional to 18,881.26, 28,327.16 and 7,195.39

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Solution

The fourth proportional to 18,881.26, 28,327.16 and 7,195.39 is: 10,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.26 : 28,327.16 = 7,195.39 : x
  2. Step 2: Convert to fraction form
    18,881.26/28,327.16 = 7,195.39/x
  3. Step 3: Cross multiply
    18,881.26x = 28,327.16 × 7,195.39
  4. Step 4: Simplify right side
    18,881.26x = 203,824,963.79
  5. Step 5: Solve for x
    x = 203,824,963.79/18,881.26
  6. Step 6: Final answer
    x = 10,795.09

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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.