Home / 11,791.32-16,272.06-6,486.54

Finding the Fourth Proportional to 11,791.32, 16,272.06 and 6,486.54

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Solution

The fourth proportional to 11,791.32, 16,272.06 and 6,486.54 is: 8,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.32 : 16,272.06 = 6,486.54 : x
  2. Step 2: Convert to fraction form
    11,791.32/16,272.06 = 6,486.54/x
  3. Step 3: Cross multiply
    11,791.32x = 16,272.06 × 6,486.54
  4. Step 4: Simplify right side
    11,791.32x = 105,549,368.07
  5. Step 5: Solve for x
    x = 105,549,368.07/11,791.32
  6. Step 6: Final answer
    x = 8,951.45

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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.