Home / 19,090.14-28,629.69-6,609.66

Finding the Fourth Proportional to 19,090.14, 28,629.69 and 6,609.66

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Solution

The fourth proportional to 19,090.14, 28,629.69 and 6,609.66 is: 9,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.14 : 28,629.69 = 6,609.66 : x
  2. Step 2: Convert to fraction form
    19,090.14/28,629.69 = 6,609.66/x
  3. Step 3: Cross multiply
    19,090.14x = 28,629.69 × 6,609.66
  4. Step 4: Simplify right side
    19,090.14x = 189,232,516.81
  5. Step 5: Solve for x
    x = 189,232,516.81/19,090.14
  6. Step 6: Final answer
    x = 9,912.58

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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.