Home / 20,634.06-30,946.99-10,099.56

Finding the Fourth Proportional to 20,634.06, 30,946.99 and 10,099.56

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Solution

The fourth proportional to 20,634.06, 30,946.99 and 10,099.56 is: 15,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.06 : 30,946.99 = 10,099.56 : x
  2. Step 2: Convert to fraction form
    20,634.06/30,946.99 = 10,099.56/x
  3. Step 3: Cross multiply
    20,634.06x = 30,946.99 × 10,099.56
  4. Step 4: Simplify right side
    20,634.06x = 312,550,802.34
  5. Step 5: Solve for x
    x = 312,550,802.34/20,634.06
  6. Step 6: Final answer
    x = 15,147.32

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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.