Home / 11,934.02-16,468.71-6,628.66

Finding the Fourth Proportional to 11,934.02, 16,468.71 and 6,628.66

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Solution

The fourth proportional to 11,934.02, 16,468.71 and 6,628.66 is: 9,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.02 : 16,468.71 = 6,628.66 : x
  2. Step 2: Convert to fraction form
    11,934.02/16,468.71 = 6,628.66/x
  3. Step 3: Cross multiply
    11,934.02x = 16,468.71 × 6,628.66
  4. Step 4: Simplify right side
    11,934.02x = 109,165,479.23
  5. Step 5: Solve for x
    x = 109,165,479.23/11,934.02
  6. Step 6: Final answer
    x = 9,147.42

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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.