Home / 19,010.37-28,511.24-9,144.57

Finding the Fourth Proportional to 19,010.37, 28,511.24 and 9,144.57

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Solution

The fourth proportional to 19,010.37, 28,511.24 and 9,144.57 is: 13,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.37 : 28,511.24 = 9,144.57 : x
  2. Step 2: Convert to fraction form
    19,010.37/28,511.24 = 9,144.57/x
  3. Step 3: Cross multiply
    19,010.37x = 28,511.24 × 9,144.57
  4. Step 4: Simplify right side
    19,010.37x = 260,722,984.24
  5. Step 5: Solve for x
    x = 260,722,984.24/19,010.37
  6. Step 6: Final answer
    x = 13,714.78

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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.