Home / 18,774.26-28,166.10-5,626.60

Finding the Fourth Proportional to 18,774.26, 28,166.10 and 5,626.60

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Solution

The fourth proportional to 18,774.26, 28,166.10 and 5,626.60 is: 8,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.26 : 28,166.10 = 5,626.60 : x
  2. Step 2: Convert to fraction form
    18,774.26/28,166.10 = 5,626.60/x
  3. Step 3: Cross multiply
    18,774.26x = 28,166.10 × 5,626.60
  4. Step 4: Simplify right side
    18,774.26x = 158,479,378.26
  5. Step 5: Solve for x
    x = 158,479,378.26/18,774.26
  6. Step 6: Final answer
    x = 8,441.31

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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.