Home / 14,401.09-19,874.72-8,114.68

Finding the Fourth Proportional to 14,401.09, 19,874.72 and 8,114.68

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Solution

The fourth proportional to 14,401.09, 19,874.72 and 8,114.68 is: 11,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.09 : 19,874.72 = 8,114.68 : x
  2. Step 2: Convert to fraction form
    14,401.09/19,874.72 = 8,114.68/x
  3. Step 3: Cross multiply
    14,401.09x = 19,874.72 × 8,114.68
  4. Step 4: Simplify right side
    14,401.09x = 161,276,992.89
  5. Step 5: Solve for x
    x = 161,276,992.89/14,401.09
  6. Step 6: Final answer
    x = 11,198.94

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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.