Home / 13,257.53-19,871.70-5,462.09

Finding the Fourth Proportional to 13,257.53, 19,871.70 and 5,462.09

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Solution

The fourth proportional to 13,257.53, 19,871.70 and 5,462.09 is: 8,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.53 : 19,871.70 = 5,462.09 : x
  2. Step 2: Convert to fraction form
    13,257.53/19,871.70 = 5,462.09/x
  3. Step 3: Cross multiply
    13,257.53x = 19,871.70 × 5,462.09
  4. Step 4: Simplify right side
    13,257.53x = 108,540,914.49
  5. Step 5: Solve for x
    x = 108,540,914.49/13,257.53
  6. Step 6: Final answer
    x = 8,187.12

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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.