Home / 11,933.70-16,468.26-6,628.40

Finding the Fourth Proportional to 11,933.70, 16,468.26 and 6,628.40

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Solution

The fourth proportional to 11,933.70, 16,468.26 and 6,628.40 is: 9,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.70 : 16,468.26 = 6,628.40 : x
  2. Step 2: Convert to fraction form
    11,933.70/16,468.26 = 6,628.40/x
  3. Step 3: Cross multiply
    11,933.70x = 16,468.26 × 6,628.40
  4. Step 4: Simplify right side
    11,933.70x = 109,158,214.58
  5. Step 5: Solve for x
    x = 109,158,214.58/11,933.70
  6. Step 6: Final answer
    x = 9,147.06

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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.