Home / 14,305.43-21,449.46-6,406.45

Finding the Fourth Proportional to 14,305.43, 21,449.46 and 6,406.45

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Solution

The fourth proportional to 14,305.43, 21,449.46 and 6,406.45 is: 9,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.43 : 21,449.46 = 6,406.45 : x
  2. Step 2: Convert to fraction form
    14,305.43/21,449.46 = 6,406.45/x
  3. Step 3: Cross multiply
    14,305.43x = 21,449.46 × 6,406.45
  4. Step 4: Simplify right side
    14,305.43x = 137,414,893.02
  5. Step 5: Solve for x
    x = 137,414,893.02/14,305.43
  6. Step 6: Final answer
    x = 9,605.79

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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.