Home / 19,379.63-26,753.37-13,003.94

Finding the Fourth Proportional to 19,379.63, 26,753.37 and 13,003.94

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Solution

The fourth proportional to 19,379.63, 26,753.37 and 13,003.94 is: 17,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.63 : 26,753.37 = 13,003.94 : x
  2. Step 2: Convert to fraction form
    19,379.63/26,753.37 = 13,003.94/x
  3. Step 3: Cross multiply
    19,379.63x = 26,753.37 × 13,003.94
  4. Step 4: Simplify right side
    19,379.63x = 347,899,218.28
  5. Step 5: Solve for x
    x = 347,899,218.28/19,379.63
  6. Step 6: Final answer
    x = 17,951.80

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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.