Home / 11,736.89-16,197.12-6,431.67

Finding the Fourth Proportional to 11,736.89, 16,197.12 and 6,431.67

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Solution

The fourth proportional to 11,736.89, 16,197.12 and 6,431.67 is: 8,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.89 : 16,197.12 = 6,431.67 : x
  2. Step 2: Convert to fraction form
    11,736.89/16,197.12 = 6,431.67/x
  3. Step 3: Cross multiply
    11,736.89x = 16,197.12 × 6,431.67
  4. Step 4: Simplify right side
    11,736.89x = 104,174,530.79
  5. Step 5: Solve for x
    x = 104,174,530.79/11,736.89
  6. Step 6: Final answer
    x = 8,875.82

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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.