Home / 13,234.63-19,835.95-4,911.88

Finding the Fourth Proportional to 13,234.63, 19,835.95 and 4,911.88

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Solution

The fourth proportional to 13,234.63, 19,835.95 and 4,911.88 is: 7,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.63 : 19,835.95 = 4,911.88 : x
  2. Step 2: Convert to fraction form
    13,234.63/19,835.95 = 4,911.88/x
  3. Step 3: Cross multiply
    13,234.63x = 19,835.95 × 4,911.88
  4. Step 4: Simplify right side
    13,234.63x = 97,431,806.09
  5. Step 5: Solve for x
    x = 97,431,806.09/13,234.63
  6. Step 6: Final answer
    x = 7,361.88

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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.