Home / 14,982.42-20,675.90-8,268.28

Finding the Fourth Proportional to 14,982.42, 20,675.90 and 8,268.28

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Solution

The fourth proportional to 14,982.42, 20,675.90 and 8,268.28 is: 11,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.42 : 20,675.90 = 8,268.28 : x
  2. Step 2: Convert to fraction form
    14,982.42/20,675.90 = 8,268.28/x
  3. Step 3: Cross multiply
    14,982.42x = 20,675.90 × 8,268.28
  4. Step 4: Simplify right side
    14,982.42x = 170,954,130.45
  5. Step 5: Solve for x
    x = 170,954,130.45/14,982.42
  6. Step 6: Final answer
    x = 11,410.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.