Home / 14,270.63-21,405.41-4,409.89

Finding the Fourth Proportional to 14,270.63, 21,405.41 and 4,409.89

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Solution

The fourth proportional to 14,270.63, 21,405.41 and 4,409.89 is: 6,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.63 : 21,405.41 = 4,409.89 : x
  2. Step 2: Convert to fraction form
    14,270.63/21,405.41 = 4,409.89/x
  3. Step 3: Cross multiply
    14,270.63x = 21,405.41 × 4,409.89
  4. Step 4: Simplify right side
    14,270.63x = 94,395,589.69
  5. Step 5: Solve for x
    x = 94,395,589.69/14,270.63
  6. Step 6: Final answer
    x = 6,614.68

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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.