Home / 18,984.97-28,480.70-5,837.05

Finding the Fourth Proportional to 18,984.97, 28,480.70 and 5,837.05

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Solution

The fourth proportional to 18,984.97, 28,480.70 and 5,837.05 is: 8,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.97 : 28,480.70 = 5,837.05 : x
  2. Step 2: Convert to fraction form
    18,984.97/28,480.70 = 5,837.05/x
  3. Step 3: Cross multiply
    18,984.97x = 28,480.70 × 5,837.05
  4. Step 4: Simplify right side
    18,984.97x = 166,243,269.94
  5. Step 5: Solve for x
    x = 166,243,269.94/18,984.97
  6. Step 6: Final answer
    x = 8,756.57

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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.