Home / 14,249.99-21,374.75-5,486.81

Finding the Fourth Proportional to 14,249.99, 21,374.75 and 5,486.81

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Solution

The fourth proportional to 14,249.99, 21,374.75 and 5,486.81 is: 8,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.99 : 21,374.75 = 5,486.81 : x
  2. Step 2: Convert to fraction form
    14,249.99/21,374.75 = 5,486.81/x
  3. Step 3: Cross multiply
    14,249.99x = 21,374.75 × 5,486.81
  4. Step 4: Simplify right side
    14,249.99x = 117,279,098.89
  5. Step 5: Solve for x
    x = 117,279,098.89/14,249.99
  6. Step 6: Final answer
    x = 8,230.12

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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.