Home / 11,666.91-16,100.33-6,362.09

Finding the Fourth Proportional to 11,666.91, 16,100.33 and 6,362.09

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Solution

The fourth proportional to 11,666.91, 16,100.33 and 6,362.09 is: 8,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.91 : 16,100.33 = 6,362.09 : x
  2. Step 2: Convert to fraction form
    11,666.91/16,100.33 = 6,362.09/x
  3. Step 3: Cross multiply
    11,666.91x = 16,100.33 × 6,362.09
  4. Step 4: Simplify right side
    11,666.91x = 102,431,636.18
  5. Step 5: Solve for x
    x = 102,431,636.18/11,666.91
  6. Step 6: Final answer
    x = 8,779.67

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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.