Home / 18,676.60-27,985.68-11,736.52

Finding the Fourth Proportional to 18,676.60, 27,985.68 and 11,736.52

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Solution

The fourth proportional to 18,676.60, 27,985.68 and 11,736.52 is: 17,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.60 : 27,985.68 = 11,736.52 : x
  2. Step 2: Convert to fraction form
    18,676.60/27,985.68 = 11,736.52/x
  3. Step 3: Cross multiply
    18,676.60x = 27,985.68 × 11,736.52
  4. Step 4: Simplify right side
    18,676.60x = 328,454,423.07
  5. Step 5: Solve for x
    x = 328,454,423.07/18,676.60
  6. Step 6: Final answer
    x = 17,586.42

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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.