Home / 11,057.07-15,261.98-8,834.43

Finding the Fourth Proportional to 11,057.07, 15,261.98 and 8,834.43

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Solution

The fourth proportional to 11,057.07, 15,261.98 and 8,834.43 is: 12,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.07 : 15,261.98 = 8,834.43 : x
  2. Step 2: Convert to fraction form
    11,057.07/15,261.98 = 8,834.43/x
  3. Step 3: Cross multiply
    11,057.07x = 15,261.98 × 8,834.43
  4. Step 4: Simplify right side
    11,057.07x = 134,830,849.80
  5. Step 5: Solve for x
    x = 134,830,849.80/11,057.07
  6. Step 6: Final answer
    x = 12,194.08

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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.