Home / 11,934.28-16,468.83-6,629.43

Finding the Fourth Proportional to 11,934.28, 16,468.83 and 6,629.43

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Solution

The fourth proportional to 11,934.28, 16,468.83 and 6,629.43 is: 9,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.28 : 16,468.83 = 6,629.43 : x
  2. Step 2: Convert to fraction form
    11,934.28/16,468.83 = 6,629.43/x
  3. Step 3: Cross multiply
    11,934.28x = 16,468.83 × 6,629.43
  4. Step 4: Simplify right side
    11,934.28x = 109,178,955.67
  5. Step 5: Solve for x
    x = 109,178,955.67/11,934.28
  6. Step 6: Final answer
    x = 9,148.35

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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.