Home / 11,953.88-17,938.98-4,162.69

Finding the Fourth Proportional to 11,953.88, 17,938.98 and 4,162.69

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Solution

The fourth proportional to 11,953.88, 17,938.98 and 4,162.69 is: 6,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.88 : 17,938.98 = 4,162.69 : x
  2. Step 2: Convert to fraction form
    11,953.88/17,938.98 = 4,162.69/x
  3. Step 3: Cross multiply
    11,953.88x = 17,938.98 × 4,162.69
  4. Step 4: Simplify right side
    11,953.88x = 74,674,412.66
  5. Step 5: Solve for x
    x = 74,674,412.66/11,953.88
  6. Step 6: Final answer
    x = 6,246.88

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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.