Home / 11,670.06-16,105.09-6,634.50

Finding the Fourth Proportional to 11,670.06, 16,105.09 and 6,634.50

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Solution

The fourth proportional to 11,670.06, 16,105.09 and 6,634.50 is: 9,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.06 : 16,105.09 = 6,634.50 : x
  2. Step 2: Convert to fraction form
    11,670.06/16,105.09 = 6,634.50/x
  3. Step 3: Cross multiply
    11,670.06x = 16,105.09 × 6,634.50
  4. Step 4: Simplify right side
    11,670.06x = 106,849,219.61
  5. Step 5: Solve for x
    x = 106,849,219.61/11,670.06
  6. Step 6: Final answer
    x = 9,155.84

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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.