Home / 11,891.76-16,411.32-6,586.44

Finding the Fourth Proportional to 11,891.76, 16,411.32 and 6,586.44

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Solution

The fourth proportional to 11,891.76, 16,411.32 and 6,586.44 is: 9,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.76 : 16,411.32 = 6,586.44 : x
  2. Step 2: Convert to fraction form
    11,891.76/16,411.32 = 6,586.44/x
  3. Step 3: Cross multiply
    11,891.76x = 16,411.32 × 6,586.44
  4. Step 4: Simplify right side
    11,891.76x = 108,092,174.50
  5. Step 5: Solve for x
    x = 108,092,174.50/11,891.76
  6. Step 6: Final answer
    x = 9,089.67

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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.