Home / 19,089.94-28,629.42-7,996.36

Finding the Fourth Proportional to 19,089.94, 28,629.42 and 7,996.36

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Solution

The fourth proportional to 19,089.94, 28,629.42 and 7,996.36 is: 11,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.94 : 28,629.42 = 7,996.36 : x
  2. Step 2: Convert to fraction form
    19,089.94/28,629.42 = 7,996.36/x
  3. Step 3: Cross multiply
    19,089.94x = 28,629.42 × 7,996.36
  4. Step 4: Simplify right side
    19,089.94x = 228,931,148.91
  5. Step 5: Solve for x
    x = 228,931,148.91/19,089.94
  6. Step 6: Final answer
    x = 11,992.24

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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.