Home / 11,628.32-16,045.44-8,791.52

Finding the Fourth Proportional to 11,628.32, 16,045.44 and 8,791.52

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Solution

The fourth proportional to 11,628.32, 16,045.44 and 8,791.52 is: 12,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.32 : 16,045.44 = 8,791.52 : x
  2. Step 2: Convert to fraction form
    11,628.32/16,045.44 = 8,791.52/x
  3. Step 3: Cross multiply
    11,628.32x = 16,045.44 × 8,791.52
  4. Step 4: Simplify right side
    11,628.32x = 141,063,806.67
  5. Step 5: Solve for x
    x = 141,063,806.67/11,628.32
  6. Step 6: Final answer
    x = 12,131.06

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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.