Home / 18,783.33-28,170.43-6,300.12

Finding the Fourth Proportional to 18,783.33, 28,170.43 and 6,300.12

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Solution

The fourth proportional to 18,783.33, 28,170.43 and 6,300.12 is: 9,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.33 : 28,170.43 = 6,300.12 : x
  2. Step 2: Convert to fraction form
    18,783.33/28,170.43 = 6,300.12/x
  3. Step 3: Cross multiply
    18,783.33x = 28,170.43 × 6,300.12
  4. Step 4: Simplify right side
    18,783.33x = 177,477,135.55
  5. Step 5: Solve for x
    x = 177,477,135.55/18,783.33
  6. Step 6: Final answer
    x = 9,448.65

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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.