Home / 11,681.22-16,119.83-6,376.13

Finding the Fourth Proportional to 11,681.22, 16,119.83 and 6,376.13

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Solution

The fourth proportional to 11,681.22, 16,119.83 and 6,376.13 is: 8,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.22 : 16,119.83 = 6,376.13 : x
  2. Step 2: Convert to fraction form
    11,681.22/16,119.83 = 6,376.13/x
  3. Step 3: Cross multiply
    11,681.22x = 16,119.83 × 6,376.13
  4. Step 4: Simplify right side
    11,681.22x = 102,782,067.00
  5. Step 5: Solve for x
    x = 102,782,067.00/11,681.22
  6. Step 6: Final answer
    x = 8,798.92

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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.