Home / 11,888.19-16,405.59-6,850.56

Finding the Fourth Proportional to 11,888.19, 16,405.59 and 6,850.56

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Solution

The fourth proportional to 11,888.19, 16,405.59 and 6,850.56 is: 9,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.19 : 16,405.59 = 6,850.56 : x
  2. Step 2: Convert to fraction form
    11,888.19/16,405.59 = 6,850.56/x
  3. Step 3: Cross multiply
    11,888.19x = 16,405.59 × 6,850.56
  4. Step 4: Simplify right side
    11,888.19x = 112,387,478.63
  5. Step 5: Solve for x
    x = 112,387,478.63/11,888.19
  6. Step 6: Final answer
    x = 9,453.71

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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.