Home / 14,642.52-20,205.16-8,268.56

Finding the Fourth Proportional to 14,642.52, 20,205.16 and 8,268.56

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Solution

The fourth proportional to 14,642.52, 20,205.16 and 8,268.56 is: 11,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.52 : 20,205.16 = 8,268.56 : x
  2. Step 2: Convert to fraction form
    14,642.52/20,205.16 = 8,268.56/x
  3. Step 3: Cross multiply
    14,642.52x = 20,205.16 × 8,268.56
  4. Step 4: Simplify right side
    14,642.52x = 167,067,577.77
  5. Step 5: Solve for x
    x = 167,067,577.77/14,642.52
  6. Step 6: Final answer
    x = 11,409.76

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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.