Home / 15,277.82-21,092.91-11,733.98

Finding the Fourth Proportional to 15,277.82, 21,092.91 and 11,733.98

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Solution

The fourth proportional to 15,277.82, 21,092.91 and 11,733.98 is: 16,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.82 : 21,092.91 = 11,733.98 : x
  2. Step 2: Convert to fraction form
    15,277.82/21,092.91 = 11,733.98/x
  3. Step 3: Cross multiply
    15,277.82x = 21,092.91 × 11,733.98
  4. Step 4: Simplify right side
    15,277.82x = 247,503,784.08
  5. Step 5: Solve for x
    x = 247,503,784.08/15,277.82
  6. Step 6: Final answer
    x = 16,200.20

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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.