Home / 11,317.03-15,616.22-6,279.94

Finding the Fourth Proportional to 11,317.03, 15,616.22 and 6,279.94

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Solution

The fourth proportional to 11,317.03, 15,616.22 and 6,279.94 is: 8,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.03 : 15,616.22 = 6,279.94 : x
  2. Step 2: Convert to fraction form
    11,317.03/15,616.22 = 6,279.94/x
  3. Step 3: Cross multiply
    11,317.03x = 15,616.22 × 6,279.94
  4. Step 4: Simplify right side
    11,317.03x = 98,068,924.63
  5. Step 5: Solve for x
    x = 98,068,924.63/11,317.03
  6. Step 6: Final answer
    x = 8,665.61

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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.