Home / 14,146.55-19,524.64-8,181.84

Finding the Fourth Proportional to 14,146.55, 19,524.64 and 8,181.84

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Solution

The fourth proportional to 14,146.55, 19,524.64 and 8,181.84 is: 11,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.55 : 19,524.64 = 8,181.84 : x
  2. Step 2: Convert to fraction form
    14,146.55/19,524.64 = 8,181.84/x
  3. Step 3: Cross multiply
    14,146.55x = 19,524.64 × 8,181.84
  4. Step 4: Simplify right side
    14,146.55x = 159,747,480.54
  5. Step 5: Solve for x
    x = 159,747,480.54/14,146.55
  6. Step 6: Final answer
    x = 11,292.33

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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.