Home / 11,885.37-16,400.67-6,579.99

Finding the Fourth Proportional to 11,885.37, 16,400.67 and 6,579.99

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Solution

The fourth proportional to 11,885.37, 16,400.67 and 6,579.99 is: 9,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.37 : 16,400.67 = 6,579.99 : x
  2. Step 2: Convert to fraction form
    11,885.37/16,400.67 = 6,579.99/x
  3. Step 3: Cross multiply
    11,885.37x = 16,400.67 × 6,579.99
  4. Step 4: Simplify right side
    11,885.37x = 107,916,244.59
  5. Step 5: Solve for x
    x = 107,916,244.59/11,885.37
  6. Step 6: Final answer
    x = 9,079.75

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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.