Home / 12,274.83-16,939.46-6,685.83

Finding the Fourth Proportional to 12,274.83, 16,939.46 and 6,685.83

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Solution

The fourth proportional to 12,274.83, 16,939.46 and 6,685.83 is: 9,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.83 : 16,939.46 = 6,685.83 : x
  2. Step 2: Convert to fraction form
    12,274.83/16,939.46 = 6,685.83/x
  3. Step 3: Cross multiply
    12,274.83x = 16,939.46 × 6,685.83
  4. Step 4: Simplify right side
    12,274.83x = 113,254,316.42
  5. Step 5: Solve for x
    x = 113,254,316.42/12,274.83
  6. Step 6: Final answer
    x = 9,226.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.