Home / 14,200.31-21,300.35-3,669.43

Finding the Fourth Proportional to 14,200.31, 21,300.35 and 3,669.43

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Solution

The fourth proportional to 14,200.31, 21,300.35 and 3,669.43 is: 5,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.31 : 21,300.35 = 3,669.43 : x
  2. Step 2: Convert to fraction form
    14,200.31/21,300.35 = 3,669.43/x
  3. Step 3: Cross multiply
    14,200.31x = 21,300.35 × 3,669.43
  4. Step 4: Simplify right side
    14,200.31x = 78,160,018.45
  5. Step 5: Solve for x
    x = 78,160,018.45/14,200.31
  6. Step 6: Final answer
    x = 5,504.11

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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.