Home / 19,091.38-28,627.81-6,612.12

Finding the Fourth Proportional to 19,091.38, 28,627.81 and 6,612.12

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Solution

The fourth proportional to 19,091.38, 28,627.81 and 6,612.12 is: 9,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.38 : 28,627.81 = 6,612.12 : x
  2. Step 2: Convert to fraction form
    19,091.38/28,627.81 = 6,612.12/x
  3. Step 3: Cross multiply
    19,091.38x = 28,627.81 × 6,612.12
  4. Step 4: Simplify right side
    19,091.38x = 189,290,515.06
  5. Step 5: Solve for x
    x = 189,290,515.06/19,091.38
  6. Step 6: Final answer
    x = 9,914.97

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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.