Home / 11,715.09-16,166.67-6,409.83

Finding the Fourth Proportional to 11,715.09, 16,166.67 and 6,409.83

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Solution

The fourth proportional to 11,715.09, 16,166.67 and 6,409.83 is: 8,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.09 : 16,166.67 = 6,409.83 : x
  2. Step 2: Convert to fraction form
    11,715.09/16,166.67 = 6,409.83/x
  3. Step 3: Cross multiply
    11,715.09x = 16,166.67 × 6,409.83
  4. Step 4: Simplify right side
    11,715.09x = 103,625,606.37
  5. Step 5: Solve for x
    x = 103,625,606.37/11,715.09
  6. Step 6: Final answer
    x = 8,845.48

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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.