Home / 11,575.71-15,974.46-6,270.66

Finding the Fourth Proportional to 11,575.71, 15,974.46 and 6,270.66

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Solution

The fourth proportional to 11,575.71, 15,974.46 and 6,270.66 is: 8,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.71 : 15,974.46 = 6,270.66 : x
  2. Step 2: Convert to fraction form
    11,575.71/15,974.46 = 6,270.66/x
  3. Step 3: Cross multiply
    11,575.71x = 15,974.46 × 6,270.66
  4. Step 4: Simplify right side
    11,575.71x = 100,170,407.34
  5. Step 5: Solve for x
    x = 100,170,407.34/11,575.71
  6. Step 6: Final answer
    x = 8,653.50

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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.