Home / 14,168.70-21,251.94-4,308.02

Finding the Fourth Proportional to 14,168.70, 21,251.94 and 4,308.02

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Solution

The fourth proportional to 14,168.70, 21,251.94 and 4,308.02 is: 6,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.70 : 21,251.94 = 4,308.02 : x
  2. Step 2: Convert to fraction form
    14,168.70/21,251.94 = 4,308.02/x
  3. Step 3: Cross multiply
    14,168.70x = 21,251.94 × 4,308.02
  4. Step 4: Simplify right side
    14,168.70x = 91,553,782.56
  5. Step 5: Solve for x
    x = 91,553,782.56/14,168.70
  6. Step 6: Final answer
    x = 6,461.69

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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.