Home / 14,679.11-20,268.26-9,021.66

Finding the Fourth Proportional to 14,679.11, 20,268.26 and 9,021.66

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Solution

The fourth proportional to 14,679.11, 20,268.26 and 9,021.66 is: 12,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.11 : 20,268.26 = 9,021.66 : x
  2. Step 2: Convert to fraction form
    14,679.11/20,268.26 = 9,021.66/x
  3. Step 3: Cross multiply
    14,679.11x = 20,268.26 × 9,021.66
  4. Step 4: Simplify right side
    14,679.11x = 182,853,305.40
  5. Step 5: Solve for x
    x = 182,853,305.40/14,679.11
  6. Step 6: Final answer
    x = 12,456.71

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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.