Home / 10,946.73-16,419.97-7,428.03

Finding the Fourth Proportional to 10,946.73, 16,419.97 and 7,428.03

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Solution

The fourth proportional to 10,946.73, 16,419.97 and 7,428.03 is: 11,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.73 : 16,419.97 = 7,428.03 : x
  2. Step 2: Convert to fraction form
    10,946.73/16,419.97 = 7,428.03/x
  3. Step 3: Cross multiply
    10,946.73x = 16,419.97 × 7,428.03
  4. Step 4: Simplify right side
    10,946.73x = 121,968,029.76
  5. Step 5: Solve for x
    x = 121,968,029.76/10,946.73
  6. Step 6: Final answer
    x = 11,141.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.