Home / 18,770.07-28,161.36-6,291.33

Finding the Fourth Proportional to 18,770.07, 28,161.36 and 6,291.33

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Solution

The fourth proportional to 18,770.07, 28,161.36 and 6,291.33 is: 9,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.07 : 28,161.36 = 6,291.33 : x
  2. Step 2: Convert to fraction form
    18,770.07/28,161.36 = 6,291.33/x
  3. Step 3: Cross multiply
    18,770.07x = 28,161.36 × 6,291.33
  4. Step 4: Simplify right side
    18,770.07x = 177,172,409.01
  5. Step 5: Solve for x
    x = 177,172,409.01/18,770.07
  6. Step 6: Final answer
    x = 9,439.09

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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.