Home / 10,240.78-14,131.92-6,262.06

Finding the Fourth Proportional to 10,240.78, 14,131.92 and 6,262.06

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Solution

The fourth proportional to 10,240.78, 14,131.92 and 6,262.06 is: 8,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.78 : 14,131.92 = 6,262.06 : x
  2. Step 2: Convert to fraction form
    10,240.78/14,131.92 = 6,262.06/x
  3. Step 3: Cross multiply
    10,240.78x = 14,131.92 × 6,262.06
  4. Step 4: Simplify right side
    10,240.78x = 88,494,930.96
  5. Step 5: Solve for x
    x = 88,494,930.96/10,240.78
  6. Step 6: Final answer
    x = 8,641.42

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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.