Home / 19,076.46-28,620.90-9,216.84

Finding the Fourth Proportional to 19,076.46, 28,620.90 and 9,216.84

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Solution

The fourth proportional to 19,076.46, 28,620.90 and 9,216.84 is: 13,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.46 : 28,620.90 = 9,216.84 : x
  2. Step 2: Convert to fraction form
    19,076.46/28,620.90 = 9,216.84/x
  3. Step 3: Cross multiply
    19,076.46x = 28,620.90 × 9,216.84
  4. Step 4: Simplify right side
    19,076.46x = 263,794,255.96
  5. Step 5: Solve for x
    x = 263,794,255.96/19,076.46
  6. Step 6: Final answer
    x = 13,828.26

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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.