Home / 19,072.10-28,626.54-9,218.30

Finding the Fourth Proportional to 19,072.10, 28,626.54 and 9,218.30

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Solution

The fourth proportional to 19,072.10, 28,626.54 and 9,218.30 is: 13,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.10 : 28,626.54 = 9,218.30 : x
  2. Step 2: Convert to fraction form
    19,072.10/28,626.54 = 9,218.30/x
  3. Step 3: Cross multiply
    19,072.10x = 28,626.54 × 9,218.30
  4. Step 4: Simplify right side
    19,072.10x = 263,888,033.68
  5. Step 5: Solve for x
    x = 263,888,033.68/19,072.10
  6. Step 6: Final answer
    x = 13,836.34

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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.