Home / 11,715.11-16,167.26-6,409.93

Finding the Fourth Proportional to 11,715.11, 16,167.26 and 6,409.93

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Solution

The fourth proportional to 11,715.11, 16,167.26 and 6,409.93 is: 8,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.11 : 16,167.26 = 6,409.93 : x
  2. Step 2: Convert to fraction form
    11,715.11/16,167.26 = 6,409.93/x
  3. Step 3: Cross multiply
    11,715.11x = 16,167.26 × 6,409.93
  4. Step 4: Simplify right side
    11,715.11x = 103,631,004.89
  5. Step 5: Solve for x
    x = 103,631,004.89/11,715.11
  6. Step 6: Final answer
    x = 8,845.93

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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.