Home / 19,400.94-29,077.05-8,294.57

Finding the Fourth Proportional to 19,400.94, 29,077.05 and 8,294.57

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Solution

The fourth proportional to 19,400.94, 29,077.05 and 8,294.57 is: 12,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.94 : 29,077.05 = 8,294.57 : x
  2. Step 2: Convert to fraction form
    19,400.94/29,077.05 = 8,294.57/x
  3. Step 3: Cross multiply
    19,400.94x = 29,077.05 × 8,294.57
  4. Step 4: Simplify right side
    19,400.94x = 241,181,481.23
  5. Step 5: Solve for x
    x = 241,181,481.23/19,400.94
  6. Step 6: Final answer
    x = 12,431.43

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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.