Home / 13,843.02-20,763.86-6,342.25

Finding the Fourth Proportional to 13,843.02, 20,763.86 and 6,342.25

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Solution

The fourth proportional to 13,843.02, 20,763.86 and 6,342.25 is: 9,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.02 : 20,763.86 = 6,342.25 : x
  2. Step 2: Convert to fraction form
    13,843.02/20,763.86 = 6,342.25/x
  3. Step 3: Cross multiply
    13,843.02x = 20,763.86 × 6,342.25
  4. Step 4: Simplify right side
    13,843.02x = 131,689,591.09
  5. Step 5: Solve for x
    x = 131,689,591.09/13,843.02
  6. Step 6: Final answer
    x = 9,513.07

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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.