Home / 11,991.03-16,547.63-6,685.73

Finding the Fourth Proportional to 11,991.03, 16,547.63 and 6,685.73

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Solution

The fourth proportional to 11,991.03, 16,547.63 and 6,685.73 is: 9,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.03 : 16,547.63 = 6,685.73 : x
  2. Step 2: Convert to fraction form
    11,991.03/16,547.63 = 6,685.73/x
  3. Step 3: Cross multiply
    11,991.03x = 16,547.63 × 6,685.73
  4. Step 4: Simplify right side
    11,991.03x = 110,632,986.32
  5. Step 5: Solve for x
    x = 110,632,986.32/11,991.03
  6. Step 6: Final answer
    x = 9,226.31

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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.