Home / 19,048.36-28,568.94-7,954.60

Finding the Fourth Proportional to 19,048.36, 28,568.94 and 7,954.60

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Solution

The fourth proportional to 19,048.36, 28,568.94 and 7,954.60 is: 11,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.36 : 28,568.94 = 7,954.60 : x
  2. Step 2: Convert to fraction form
    19,048.36/28,568.94 = 7,954.60/x
  3. Step 3: Cross multiply
    19,048.36x = 28,568.94 × 7,954.60
  4. Step 4: Simplify right side
    19,048.36x = 227,254,490.12
  5. Step 5: Solve for x
    x = 227,254,490.12/19,048.36
  6. Step 6: Final answer
    x = 11,930.40

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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.