Home / 11,934.16-16,467.36-6,628.96

Finding the Fourth Proportional to 11,934.16, 16,467.36 and 6,628.96

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Solution

The fourth proportional to 11,934.16, 16,467.36 and 6,628.96 is: 9,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.16 : 16,467.36 = 6,628.96 : x
  2. Step 2: Convert to fraction form
    11,934.16/16,467.36 = 6,628.96/x
  3. Step 3: Cross multiply
    11,934.16x = 16,467.36 × 6,628.96
  4. Step 4: Simplify right side
    11,934.16x = 109,161,470.75
  5. Step 5: Solve for x
    x = 109,161,470.75/11,934.16
  6. Step 6: Final answer
    x = 9,146.98

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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.