Home / 12,251.05-16,905.81-6,946.22

Finding the Fourth Proportional to 12,251.05, 16,905.81 and 6,946.22

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Solution

The fourth proportional to 12,251.05, 16,905.81 and 6,946.22 is: 9,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.05 : 16,905.81 = 6,946.22 : x
  2. Step 2: Convert to fraction form
    12,251.05/16,905.81 = 6,946.22/x
  3. Step 3: Cross multiply
    12,251.05x = 16,905.81 × 6,946.22
  4. Step 4: Simplify right side
    12,251.05x = 117,431,543.85
  5. Step 5: Solve for x
    x = 117,431,543.85/12,251.05
  6. Step 6: Final answer
    x = 9,585.43

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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.