Home / 14,072.09-19,419.53-8,104.10

Finding the Fourth Proportional to 14,072.09, 19,419.53 and 8,104.10

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Solution

The fourth proportional to 14,072.09, 19,419.53 and 8,104.10 is: 11,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.09 : 19,419.53 = 8,104.10 : x
  2. Step 2: Convert to fraction form
    14,072.09/19,419.53 = 8,104.10/x
  3. Step 3: Cross multiply
    14,072.09x = 19,419.53 × 8,104.10
  4. Step 4: Simplify right side
    14,072.09x = 157,377,675.45
  5. Step 5: Solve for x
    x = 157,377,675.45/14,072.09
  6. Step 6: Final answer
    x = 11,183.68

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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.