Home / 12,213.27-16,853.81-6,908.18

Finding the Fourth Proportional to 12,213.27, 16,853.81 and 6,908.18

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Solution

The fourth proportional to 12,213.27, 16,853.81 and 6,908.18 is: 9,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.27 : 16,853.81 = 6,908.18 : x
  2. Step 2: Convert to fraction form
    12,213.27/16,853.81 = 6,908.18/x
  3. Step 3: Cross multiply
    12,213.27x = 16,853.81 × 6,908.18
  4. Step 4: Simplify right side
    12,213.27x = 116,429,034.36
  5. Step 5: Solve for x
    x = 116,429,034.36/12,213.27
  6. Step 6: Final answer
    x = 9,532.99

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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.