Home / 11,613.73-17,422.08-4,221.67

Finding the Fourth Proportional to 11,613.73, 17,422.08 and 4,221.67

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Solution

The fourth proportional to 11,613.73, 17,422.08 and 4,221.67 is: 6,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.73 : 17,422.08 = 4,221.67 : x
  2. Step 2: Convert to fraction form
    11,613.73/17,422.08 = 4,221.67/x
  3. Step 3: Cross multiply
    11,613.73x = 17,422.08 × 4,221.67
  4. Step 4: Simplify right side
    11,613.73x = 73,550,272.47
  5. Step 5: Solve for x
    x = 73,550,272.47/11,613.73
  6. Step 6: Final answer
    x = 6,333.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.