Home / 11,272.83-15,556-6,168.25

Finding the Fourth Proportional to 11,272.83, 15,556 and 6,168.25

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Solution

The fourth proportional to 11,272.83, 15,556 and 6,168.25 is: 8,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.83 : 15,556 = 6,168.25 : x
  2. Step 2: Convert to fraction form
    11,272.83/15,556 = 6,168.25/x
  3. Step 3: Cross multiply
    11,272.83x = 15,556 × 6,168.25
  4. Step 4: Simplify right side
    11,272.83x = 95,953,297
  5. Step 5: Solve for x
    x = 95,953,297/11,272.83
  6. Step 6: Final answer
    x = 8,511.91

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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.