Home / 11,631.06-16,044.75-6,912

Finding the Fourth Proportional to 11,631.06, 16,044.75 and 6,912

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Solution

The fourth proportional to 11,631.06, 16,044.75 and 6,912 is: 9,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.06 : 16,044.75 = 6,912 : x
  2. Step 2: Convert to fraction form
    11,631.06/16,044.75 = 6,912/x
  3. Step 3: Cross multiply
    11,631.06x = 16,044.75 × 6,912
  4. Step 4: Simplify right side
    11,631.06x = 110,901,312
  5. Step 5: Solve for x
    x = 110,901,312/11,631.06
  6. Step 6: Final answer
    x = 9,534.93

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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.