Home / 11,791.04-16,272.48-6,486.08

Finding the Fourth Proportional to 11,791.04, 16,272.48 and 6,486.08

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Solution

The fourth proportional to 11,791.04, 16,272.48 and 6,486.08 is: 8,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.04 : 16,272.48 = 6,486.08 : x
  2. Step 2: Convert to fraction form
    11,791.04/16,272.48 = 6,486.08/x
  3. Step 3: Cross multiply
    11,791.04x = 16,272.48 × 6,486.08
  4. Step 4: Simplify right side
    11,791.04x = 105,544,607.08
  5. Step 5: Solve for x
    x = 105,544,607.08/11,791.04
  6. Step 6: Final answer
    x = 8,951.26

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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.