Home / 14,788.94-20,408.62-8,074.47

Finding the Fourth Proportional to 14,788.94, 20,408.62 and 8,074.47

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Solution

The fourth proportional to 14,788.94, 20,408.62 and 8,074.47 is: 11,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.94 : 20,408.62 = 8,074.47 : x
  2. Step 2: Convert to fraction form
    14,788.94/20,408.62 = 8,074.47/x
  3. Step 3: Cross multiply
    14,788.94x = 20,408.62 × 8,074.47
  4. Step 4: Simplify right side
    14,788.94x = 164,788,789.93
  5. Step 5: Solve for x
    x = 164,788,789.93/14,788.94
  6. Step 6: Final answer
    x = 11,142.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.