Home / 14,221.94-21,336.56-4,361.30

Finding the Fourth Proportional to 14,221.94, 21,336.56 and 4,361.30

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Solution

The fourth proportional to 14,221.94, 21,336.56 and 4,361.30 is: 6,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.94 : 21,336.56 = 4,361.30 : x
  2. Step 2: Convert to fraction form
    14,221.94/21,336.56 = 4,361.30/x
  3. Step 3: Cross multiply
    14,221.94x = 21,336.56 × 4,361.30
  4. Step 4: Simplify right side
    14,221.94x = 93,055,139.13
  5. Step 5: Solve for x
    x = 93,055,139.13/14,221.94
  6. Step 6: Final answer
    x = 6,543.07

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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.