Home / 12,175.36-16,772.88-11,582.44

Finding the Fourth Proportional to 12,175.36, 16,772.88 and 11,582.44

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Solution

The fourth proportional to 12,175.36, 16,772.88 and 11,582.44 is: 15,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.36 : 16,772.88 = 11,582.44 : x
  2. Step 2: Convert to fraction form
    12,175.36/16,772.88 = 11,582.44/x
  3. Step 3: Cross multiply
    12,175.36x = 16,772.88 × 11,582.44
  4. Step 4: Simplify right side
    12,175.36x = 194,270,876.23
  5. Step 5: Solve for x
    x = 194,270,876.23/12,175.36
  6. Step 6: Final answer
    x = 15,956.07

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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.