Home / 19,723.10-27,214.87-11,765.34

Finding the Fourth Proportional to 19,723.10, 27,214.87 and 11,765.34

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Solution

The fourth proportional to 19,723.10, 27,214.87 and 11,765.34 is: 16,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.10 : 27,214.87 = 11,765.34 : x
  2. Step 2: Convert to fraction form
    19,723.10/27,214.87 = 11,765.34/x
  3. Step 3: Cross multiply
    19,723.10x = 27,214.87 × 11,765.34
  4. Step 4: Simplify right side
    19,723.10x = 320,192,198.61
  5. Step 5: Solve for x
    x = 320,192,198.61/19,723.10
  6. Step 6: Final answer
    x = 16,234.37

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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.