Home / 11,736.12-16,196.22-6,430.98

Finding the Fourth Proportional to 11,736.12, 16,196.22 and 6,430.98

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Solution

The fourth proportional to 11,736.12, 16,196.22 and 6,430.98 is: 8,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.12 : 16,196.22 = 6,430.98 : x
  2. Step 2: Convert to fraction form
    11,736.12/16,196.22 = 6,430.98/x
  3. Step 3: Cross multiply
    11,736.12x = 16,196.22 × 6,430.98
  4. Step 4: Simplify right side
    11,736.12x = 104,157,566.90
  5. Step 5: Solve for x
    x = 104,157,566.90/11,736.12
  6. Step 6: Final answer
    x = 8,874.96

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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.