Home / 9,447.78-14,173.22-2,872.44

Finding the Fourth Proportional to 9,447.78, 14,173.22 and 2,872.44

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Solution

The fourth proportional to 9,447.78, 14,173.22 and 2,872.44 is: 4,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.78 : 14,173.22 = 2,872.44 : x
  2. Step 2: Convert to fraction form
    9,447.78/14,173.22 = 2,872.44/x
  3. Step 3: Cross multiply
    9,447.78x = 14,173.22 × 2,872.44
  4. Step 4: Simplify right side
    9,447.78x = 40,711,724.06
  5. Step 5: Solve for x
    x = 40,711,724.06/9,447.78
  6. Step 6: Final answer
    x = 4,309.13

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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.