Home / 11,769.64-16,234.50-7,288.36

Finding the Fourth Proportional to 11,769.64, 16,234.50 and 7,288.36

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Solution

The fourth proportional to 11,769.64, 16,234.50 and 7,288.36 is: 10,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.64 : 16,234.50 = 7,288.36 : x
  2. Step 2: Convert to fraction form
    11,769.64/16,234.50 = 7,288.36/x
  3. Step 3: Cross multiply
    11,769.64x = 16,234.50 × 7,288.36
  4. Step 4: Simplify right side
    11,769.64x = 118,322,880.42
  5. Step 5: Solve for x
    x = 118,322,880.42/11,769.64
  6. Step 6: Final answer
    x = 10,053.23

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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.