Home / 13,829.94-20,755.22-10,280.23

Finding the Fourth Proportional to 13,829.94, 20,755.22 and 10,280.23

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Solution

The fourth proportional to 13,829.94, 20,755.22 and 10,280.23 is: 15,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.94 : 20,755.22 = 10,280.23 : x
  2. Step 2: Convert to fraction form
    13,829.94/20,755.22 = 10,280.23/x
  3. Step 3: Cross multiply
    13,829.94x = 20,755.22 × 10,280.23
  4. Step 4: Simplify right side
    13,829.94x = 213,368,435.30
  5. Step 5: Solve for x
    x = 213,368,435.30/13,829.94
  6. Step 6: Final answer
    x = 15,428.01

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1.5x scale

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.