Home / 14,555.56-20,086.74-8,268.28

Finding the Fourth Proportional to 14,555.56, 20,086.74 and 8,268.28

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Solution

The fourth proportional to 14,555.56, 20,086.74 and 8,268.28 is: 11,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.56 : 20,086.74 = 8,268.28 : x
  2. Step 2: Convert to fraction form
    14,555.56/20,086.74 = 8,268.28/x
  3. Step 3: Cross multiply
    14,555.56x = 20,086.74 × 8,268.28
  4. Step 4: Simplify right side
    14,555.56x = 166,082,790.61
  5. Step 5: Solve for x
    x = 166,082,790.61/14,555.56
  6. Step 6: Final answer
    x = 11,410.26

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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.