Home / 14,304.43-21,447.96-6,405.45

Finding the Fourth Proportional to 14,304.43, 21,447.96 and 6,405.45

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Solution

The fourth proportional to 14,304.43, 21,447.96 and 6,405.45 is: 9,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.43 : 21,447.96 = 6,405.45 : x
  2. Step 2: Convert to fraction form
    14,304.43/21,447.96 = 6,405.45/x
  3. Step 3: Cross multiply
    14,304.43x = 21,447.96 × 6,405.45
  4. Step 4: Simplify right side
    14,304.43x = 137,383,835.38
  5. Step 5: Solve for x
    x = 137,383,835.38/14,304.43
  6. Step 6: Final answer
    x = 9,604.29

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1.5x scale

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.