Home / 11,072.45-15,279.27-6,291.83

Finding the Fourth Proportional to 11,072.45, 15,279.27 and 6,291.83

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Solution

The fourth proportional to 11,072.45, 15,279.27 and 6,291.83 is: 8,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.45 : 15,279.27 = 6,291.83 : x
  2. Step 2: Convert to fraction form
    11,072.45/15,279.27 = 6,291.83/x
  3. Step 3: Cross multiply
    11,072.45x = 15,279.27 × 6,291.83
  4. Step 4: Simplify right side
    11,072.45x = 96,134,492.97
  5. Step 5: Solve for x
    x = 96,134,492.97/11,072.45
  6. Step 6: Final answer
    x = 8,682.32

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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.