Home / 11,805.22-16,287.52-6,699.89

Finding the Fourth Proportional to 11,805.22, 16,287.52 and 6,699.89

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Solution

The fourth proportional to 11,805.22, 16,287.52 and 6,699.89 is: 9,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.22 : 16,287.52 = 6,699.89 : x
  2. Step 2: Convert to fraction form
    11,805.22/16,287.52 = 6,699.89/x
  3. Step 3: Cross multiply
    11,805.22x = 16,287.52 × 6,699.89
  4. Step 4: Simplify right side
    11,805.22x = 109,124,510.94
  5. Step 5: Solve for x
    x = 109,124,510.94/11,805.22
  6. Step 6: Final answer
    x = 9,243.75

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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.