Home / 14,962.26-20,647.92-8,678.28

Finding the Fourth Proportional to 14,962.26, 20,647.92 and 8,678.28

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Solution

The fourth proportional to 14,962.26, 20,647.92 and 8,678.28 is: 11,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.26 : 20,647.92 = 8,678.28 : x
  2. Step 2: Convert to fraction form
    14,962.26/20,647.92 = 8,678.28/x
  3. Step 3: Cross multiply
    14,962.26x = 20,647.92 × 8,678.28
  4. Step 4: Simplify right side
    14,962.26x = 179,188,431.18
  5. Step 5: Solve for x
    x = 179,188,431.18/14,962.26
  6. Step 6: Final answer
    x = 11,976.03

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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.