Home / 11,991.06-16,547.06-6,684.86

Finding the Fourth Proportional to 11,991.06, 16,547.06 and 6,684.86

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Solution

The fourth proportional to 11,991.06, 16,547.06 and 6,684.86 is: 9,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.06 : 16,547.06 = 6,684.86 : x
  2. Step 2: Convert to fraction form
    11,991.06/16,547.06 = 6,684.86/x
  3. Step 3: Cross multiply
    11,991.06x = 16,547.06 × 6,684.86
  4. Step 4: Simplify right side
    11,991.06x = 110,614,663.35
  5. Step 5: Solve for x
    x = 110,614,663.35/11,991.06
  6. Step 6: Final answer
    x = 9,224.76

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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.