Home / 16,429.12-22,672.48-8,976.96

Finding the Fourth Proportional to 16,429.12, 22,672.48 and 8,976.96

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Solution

The fourth proportional to 16,429.12, 22,672.48 and 8,976.96 is: 12,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,429.12 : 22,672.48 = 8,976.96 : x
  2. Step 2: Convert to fraction form
    16,429.12/22,672.48 = 8,976.96/x
  3. Step 3: Cross multiply
    16,429.12x = 22,672.48 × 8,976.96
  4. Step 4: Simplify right side
    16,429.12x = 203,529,946.06
  5. Step 5: Solve for x
    x = 203,529,946.06/16,429.12
  6. Step 6: Final answer
    x = 12,388.37

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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.