Home / 14,114.32-21,171.49-4,256.42

Finding the Fourth Proportional to 14,114.32, 21,171.49 and 4,256.42

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Solution

The fourth proportional to 14,114.32, 21,171.49 and 4,256.42 is: 6,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.32 : 21,171.49 = 4,256.42 : x
  2. Step 2: Convert to fraction form
    14,114.32/21,171.49 = 4,256.42/x
  3. Step 3: Cross multiply
    14,114.32x = 21,171.49 × 4,256.42
  4. Step 4: Simplify right side
    14,114.32x = 90,114,636.97
  5. Step 5: Solve for x
    x = 90,114,636.97/14,114.32
  6. Step 6: Final answer
    x = 6,384.63

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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.