Home / 13,148.24-19,725.44-4,263.21

Finding the Fourth Proportional to 13,148.24, 19,725.44 and 4,263.21

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Solution

The fourth proportional to 13,148.24, 19,725.44 and 4,263.21 is: 6,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.24 : 19,725.44 = 4,263.21 : x
  2. Step 2: Convert to fraction form
    13,148.24/19,725.44 = 4,263.21/x
  3. Step 3: Cross multiply
    13,148.24x = 19,725.44 × 4,263.21
  4. Step 4: Simplify right side
    13,148.24x = 84,093,671.75
  5. Step 5: Solve for x
    x = 84,093,671.75/13,148.24
  6. Step 6: Final answer
    x = 6,395.81

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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.