Home / 18,917.93-28,471.97-14,262.05

Finding the Fourth Proportional to 18,917.93, 28,471.97 and 14,262.05

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Solution

The fourth proportional to 18,917.93, 28,471.97 and 14,262.05 is: 21,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.93 : 28,471.97 = 14,262.05 : x
  2. Step 2: Convert to fraction form
    18,917.93/28,471.97 = 14,262.05/x
  3. Step 3: Cross multiply
    18,917.93x = 28,471.97 × 14,262.05
  4. Step 4: Simplify right side
    18,917.93x = 406,068,659.74
  5. Step 5: Solve for x
    x = 406,068,659.74/18,917.93
  6. Step 6: Final answer
    x = 21,464.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.