Home / 19,090.94-28,630.92-7,997.36

Finding the Fourth Proportional to 19,090.94, 28,630.92 and 7,997.36

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Solution

The fourth proportional to 19,090.94, 28,630.92 and 7,997.36 is: 11,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.94 : 28,630.92 = 7,997.36 : x
  2. Step 2: Convert to fraction form
    19,090.94/28,630.92 = 7,997.36/x
  3. Step 3: Cross multiply
    19,090.94x = 28,630.92 × 7,997.36
  4. Step 4: Simplify right side
    19,090.94x = 228,971,774.37
  5. Step 5: Solve for x
    x = 228,971,774.37/19,090.94
  6. Step 6: Final answer
    x = 11,993.74

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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.