Home / 18,722.86-27,913.93-16,619.22

Finding the Fourth Proportional to 18,722.86, 27,913.93 and 16,619.22

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Solution

The fourth proportional to 18,722.86, 27,913.93 and 16,619.22 is: 24,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.86 : 27,913.93 = 16,619.22 : x
  2. Step 2: Convert to fraction form
    18,722.86/27,913.93 = 16,619.22/x
  3. Step 3: Cross multiply
    18,722.86x = 27,913.93 × 16,619.22
  4. Step 4: Simplify right side
    18,722.86x = 463,907,743.73
  5. Step 5: Solve for x
    x = 463,907,743.73/18,722.86
  6. Step 6: Final answer
    x = 24,777.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.