Home / 11,979.69-16,532.47-6,674.50

Finding the Fourth Proportional to 11,979.69, 16,532.47 and 6,674.50

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Solution

The fourth proportional to 11,979.69, 16,532.47 and 6,674.50 is: 9,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.69 : 16,532.47 = 6,674.50 : x
  2. Step 2: Convert to fraction form
    11,979.69/16,532.47 = 6,674.50/x
  3. Step 3: Cross multiply
    11,979.69x = 16,532.47 × 6,674.50
  4. Step 4: Simplify right side
    11,979.69x = 110,345,971.02
  5. Step 5: Solve for x
    x = 110,345,971.02/11,979.69
  6. Step 6: Final answer
    x = 9,211.09

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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.