Home / 19,697.34-27,181.26-11,313.84

Finding the Fourth Proportional to 19,697.34, 27,181.26 and 11,313.84

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Solution

The fourth proportional to 19,697.34, 27,181.26 and 11,313.84 is: 15,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.34 : 27,181.26 = 11,313.84 : x
  2. Step 2: Convert to fraction form
    19,697.34/27,181.26 = 11,313.84/x
  3. Step 3: Cross multiply
    19,697.34x = 27,181.26 × 11,313.84
  4. Step 4: Simplify right side
    19,697.34x = 307,524,426.64
  5. Step 5: Solve for x
    x = 307,524,426.64/19,697.34
  6. Step 6: Final answer
    x = 15,612.49

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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.