Home / 20,946.44-31,409.78-7,610.04

Finding the Fourth Proportional to 20,946.44, 31,409.78 and 7,610.04

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Solution

The fourth proportional to 20,946.44, 31,409.78 and 7,610.04 is: 11,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946.44 : 31,409.78 = 7,610.04 : x
  2. Step 2: Convert to fraction form
    20,946.44/31,409.78 = 7,610.04/x
  3. Step 3: Cross multiply
    20,946.44x = 31,409.78 × 7,610.04
  4. Step 4: Simplify right side
    20,946.44x = 239,029,525.14
  5. Step 5: Solve for x
    x = 239,029,525.14/20,946.44
  6. Step 6: Final answer
    x = 11,411.46

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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.