Home / 12,043.96-18,056.21-4,644.62

Finding the Fourth Proportional to 12,043.96, 18,056.21 and 4,644.62

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Solution

The fourth proportional to 12,043.96, 18,056.21 and 4,644.62 is: 6,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.96 : 18,056.21 = 4,644.62 : x
  2. Step 2: Convert to fraction form
    12,043.96/18,056.21 = 4,644.62/x
  3. Step 3: Cross multiply
    12,043.96x = 18,056.21 × 4,644.62
  4. Step 4: Simplify right side
    12,043.96x = 83,864,234.09
  5. Step 5: Solve for x
    x = 83,864,234.09/12,043.96
  6. Step 6: Final answer
    x = 6,963.18

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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.