Home / 13,844.38-20,767.02-3,984.16

Finding the Fourth Proportional to 13,844.38, 20,767.02 and 3,984.16

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Solution

The fourth proportional to 13,844.38, 20,767.02 and 3,984.16 is: 5,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.38 : 20,767.02 = 3,984.16 : x
  2. Step 2: Convert to fraction form
    13,844.38/20,767.02 = 3,984.16/x
  3. Step 3: Cross multiply
    13,844.38x = 20,767.02 × 3,984.16
  4. Step 4: Simplify right side
    13,844.38x = 82,739,130.40
  5. Step 5: Solve for x
    x = 82,739,130.40/13,844.38
  6. Step 6: Final answer
    x = 5,976.37

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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.