Home / 12,881.93-19,325.65-3,997.07

Finding the Fourth Proportional to 12,881.93, 19,325.65 and 3,997.07

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Solution

The fourth proportional to 12,881.93, 19,325.65 and 3,997.07 is: 5,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.93 : 19,325.65 = 3,997.07 : x
  2. Step 2: Convert to fraction form
    12,881.93/19,325.65 = 3,997.07/x
  3. Step 3: Cross multiply
    12,881.93x = 19,325.65 × 3,997.07
  4. Step 4: Simplify right side
    12,881.93x = 77,245,975.85
  5. Step 5: Solve for x
    x = 77,245,975.85/12,881.93
  6. Step 6: Final answer
    x = 5,996.46

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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.