Home / 11,955.05-17,888.35-7,213.96

Finding the Fourth Proportional to 11,955.05, 17,888.35 and 7,213.96

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Solution

The fourth proportional to 11,955.05, 17,888.35 and 7,213.96 is: 10,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.05 : 17,888.35 = 7,213.96 : x
  2. Step 2: Convert to fraction form
    11,955.05/17,888.35 = 7,213.96/x
  3. Step 3: Cross multiply
    11,955.05x = 17,888.35 × 7,213.96
  4. Step 4: Simplify right side
    11,955.05x = 129,045,841.37
  5. Step 5: Solve for x
    x = 129,045,841.37/11,955.05
  6. Step 6: Final answer
    x = 10,794.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.