Home / 18,455.74-27,677.16-11,424.94

Finding the Fourth Proportional to 18,455.74, 27,677.16 and 11,424.94

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Solution

The fourth proportional to 18,455.74, 27,677.16 and 11,424.94 is: 17,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.74 : 27,677.16 = 11,424.94 : x
  2. Step 2: Convert to fraction form
    18,455.74/27,677.16 = 11,424.94/x
  3. Step 3: Cross multiply
    18,455.74x = 27,677.16 × 11,424.94
  4. Step 4: Simplify right side
    18,455.74x = 316,209,892.37
  5. Step 5: Solve for x
    x = 316,209,892.37/18,455.74
  6. Step 6: Final answer
    x = 17,133.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.