Home / 18,434.98-27,635.86-12,513.88

Finding the Fourth Proportional to 18,434.98, 27,635.86 and 12,513.88

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Solution

The fourth proportional to 18,434.98, 27,635.86 and 12,513.88 is: 18,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.98 : 27,635.86 = 12,513.88 : x
  2. Step 2: Convert to fraction form
    18,434.98/27,635.86 = 12,513.88/x
  3. Step 3: Cross multiply
    18,434.98x = 27,635.86 × 12,513.88
  4. Step 4: Simplify right side
    18,434.98x = 345,831,835.74
  5. Step 5: Solve for x
    x = 345,831,835.74/18,434.98
  6. Step 6: Final answer
    x = 18,759.54

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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.