Home / 19,108.14-28,662.21-6,628.19

Finding the Fourth Proportional to 19,108.14, 28,662.21 and 6,628.19

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Solution

The fourth proportional to 19,108.14, 28,662.21 and 6,628.19 is: 9,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.14 : 28,662.21 = 6,628.19 : x
  2. Step 2: Convert to fraction form
    19,108.14/28,662.21 = 6,628.19/x
  3. Step 3: Cross multiply
    19,108.14x = 28,662.21 × 6,628.19
  4. Step 4: Simplify right side
    19,108.14x = 189,978,430.39
  5. Step 5: Solve for x
    x = 189,978,430.39/19,108.14
  6. Step 6: Final answer
    x = 9,942.28

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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.