Home / 11,772.28-16,245.90-6,467.68

Finding the Fourth Proportional to 11,772.28, 16,245.90 and 6,467.68

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Solution

The fourth proportional to 11,772.28, 16,245.90 and 6,467.68 is: 8,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.28 : 16,245.90 = 6,467.68 : x
  2. Step 2: Convert to fraction form
    11,772.28/16,245.90 = 6,467.68/x
  3. Step 3: Cross multiply
    11,772.28x = 16,245.90 × 6,467.68
  4. Step 4: Simplify right side
    11,772.28x = 105,073,282.51
  5. Step 5: Solve for x
    x = 105,073,282.51/11,772.28
  6. Step 6: Final answer
    x = 8,925.48

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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.