Home / 19,372.86-26,727.67-12,662.36

Finding the Fourth Proportional to 19,372.86, 26,727.67 and 12,662.36

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Solution

The fourth proportional to 19,372.86, 26,727.67 and 12,662.36 is: 17,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.86 : 26,727.67 = 12,662.36 : x
  2. Step 2: Convert to fraction form
    19,372.86/26,727.67 = 12,662.36/x
  3. Step 3: Cross multiply
    19,372.86x = 26,727.67 × 12,662.36
  4. Step 4: Simplify right side
    19,372.86x = 338,435,437.09
  5. Step 5: Solve for x
    x = 338,435,437.09/19,372.86
  6. Step 6: Final answer
    x = 17,469.57

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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.