Home / 11,909.05-16,434.56-6,873.48

Finding the Fourth Proportional to 11,909.05, 16,434.56 and 6,873.48

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Solution

The fourth proportional to 11,909.05, 16,434.56 and 6,873.48 is: 9,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.05 : 16,434.56 = 6,873.48 : x
  2. Step 2: Convert to fraction form
    11,909.05/16,434.56 = 6,873.48/x
  3. Step 3: Cross multiply
    11,909.05x = 16,434.56 × 6,873.48
  4. Step 4: Simplify right side
    11,909.05x = 112,962,636.65
  5. Step 5: Solve for x
    x = 112,962,636.65/11,909.05
  6. Step 6: Final answer
    x = 9,485.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.