Home / 11,751.56-17,626.70-3,853.07

Finding the Fourth Proportional to 11,751.56, 17,626.70 and 3,853.07

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Solution

The fourth proportional to 11,751.56, 17,626.70 and 3,853.07 is: 5,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.56 : 17,626.70 = 3,853.07 : x
  2. Step 2: Convert to fraction form
    11,751.56/17,626.70 = 3,853.07/x
  3. Step 3: Cross multiply
    11,751.56x = 17,626.70 × 3,853.07
  4. Step 4: Simplify right side
    11,751.56x = 67,916,801.57
  5. Step 5: Solve for x
    x = 67,916,801.57/11,751.56
  6. Step 6: Final answer
    x = 5,779.39

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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.