Home / 11,421.45-17,134.29-4,030.61

Finding the Fourth Proportional to 11,421.45, 17,134.29 and 4,030.61

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Solution

The fourth proportional to 11,421.45, 17,134.29 and 4,030.61 is: 6,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.45 : 17,134.29 = 4,030.61 : x
  2. Step 2: Convert to fraction form
    11,421.45/17,134.29 = 4,030.61/x
  3. Step 3: Cross multiply
    11,421.45x = 17,134.29 × 4,030.61
  4. Step 4: Simplify right side
    11,421.45x = 69,061,554.95
  5. Step 5: Solve for x
    x = 69,061,554.95/11,421.45
  6. Step 6: Final answer
    x = 6,046.65

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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.