Home / 14,293.70-21,440.55-3,905.45

Finding the Fourth Proportional to 14,293.70, 21,440.55 and 3,905.45

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Solution

The fourth proportional to 14,293.70, 21,440.55 and 3,905.45 is: 5,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.70 : 21,440.55 = 3,905.45 : x
  2. Step 2: Convert to fraction form
    14,293.70/21,440.55 = 3,905.45/x
  3. Step 3: Cross multiply
    14,293.70x = 21,440.55 × 3,905.45
  4. Step 4: Simplify right side
    14,293.70x = 83,734,996.00
  5. Step 5: Solve for x
    x = 83,734,996.00/14,293.70
  6. Step 6: Final answer
    x = 5,858.18

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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.