Home / 12,556.20-18,835.02-3,792

Finding the Fourth Proportional to 12,556.20, 18,835.02 and 3,792

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Solution

The fourth proportional to 12,556.20, 18,835.02 and 3,792 is: 5,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.20 : 18,835.02 = 3,792 : x
  2. Step 2: Convert to fraction form
    12,556.20/18,835.02 = 3,792/x
  3. Step 3: Cross multiply
    12,556.20x = 18,835.02 × 3,792
  4. Step 4: Simplify right side
    12,556.20x = 71,422,395.84
  5. Step 5: Solve for x
    x = 71,422,395.84/12,556.20
  6. Step 6: Final answer
    x = 5,688.22

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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.