Home / 13,661.22-20,492.02-3,800.28

Finding the Fourth Proportional to 13,661.22, 20,492.02 and 3,800.28

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Solution

The fourth proportional to 13,661.22, 20,492.02 and 3,800.28 is: 5,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.22 : 20,492.02 = 3,800.28 : x
  2. Step 2: Convert to fraction form
    13,661.22/20,492.02 = 3,800.28/x
  3. Step 3: Cross multiply
    13,661.22x = 20,492.02 × 3,800.28
  4. Step 4: Simplify right side
    13,661.22x = 77,875,413.77
  5. Step 5: Solve for x
    x = 77,875,413.77/13,661.22
  6. Step 6: Final answer
    x = 5,700.47

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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.