Home / 18,801.35-28,199.81-7,556.23

Finding the Fourth Proportional to 18,801.35, 28,199.81 and 7,556.23

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Solution

The fourth proportional to 18,801.35, 28,199.81 and 7,556.23 is: 11,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.35 : 28,199.81 = 7,556.23 : x
  2. Step 2: Convert to fraction form
    18,801.35/28,199.81 = 7,556.23/x
  3. Step 3: Cross multiply
    18,801.35x = 28,199.81 × 7,556.23
  4. Step 4: Simplify right side
    18,801.35x = 213,084,198.71
  5. Step 5: Solve for x
    x = 213,084,198.71/18,801.35
  6. Step 6: Final answer
    x = 11,333.46

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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.