Home / 20,514.56-28,296.96-14,224.64

Finding the Fourth Proportional to 20,514.56, 28,296.96 and 14,224.64

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Solution

The fourth proportional to 20,514.56, 28,296.96 and 14,224.64 is: 19,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.56 : 28,296.96 = 14,224.64 : x
  2. Step 2: Convert to fraction form
    20,514.56/28,296.96 = 14,224.64/x
  3. Step 3: Cross multiply
    20,514.56x = 28,296.96 × 14,224.64
  4. Step 4: Simplify right side
    20,514.56x = 402,514,069.09
  5. Step 5: Solve for x
    x = 402,514,069.09/20,514.56
  6. Step 6: Final answer
    x = 19,620.90

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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.