Home / 11,825.19-16,317.98-6,519.99

Finding the Fourth Proportional to 11,825.19, 16,317.98 and 6,519.99

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Solution

The fourth proportional to 11,825.19, 16,317.98 and 6,519.99 is: 8,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.19 : 16,317.98 = 6,519.99 : x
  2. Step 2: Convert to fraction form
    11,825.19/16,317.98 = 6,519.99/x
  3. Step 3: Cross multiply
    11,825.19x = 16,317.98 × 6,519.99
  4. Step 4: Simplify right side
    11,825.19x = 106,393,033.82
  5. Step 5: Solve for x
    x = 106,393,033.82/11,825.19
  6. Step 6: Final answer
    x = 8,997.15

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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.