Home / 12,005.35-16,568.29-6,628.82

Finding the Fourth Proportional to 12,005.35, 16,568.29 and 6,628.82

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Solution

The fourth proportional to 12,005.35, 16,568.29 and 6,628.82 is: 9,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.35 : 16,568.29 = 6,628.82 : x
  2. Step 2: Convert to fraction form
    12,005.35/16,568.29 = 6,628.82/x
  3. Step 3: Cross multiply
    12,005.35x = 16,568.29 × 6,628.82
  4. Step 4: Simplify right side
    12,005.35x = 109,828,137.56
  5. Step 5: Solve for x
    x = 109,828,137.56/12,005.35
  6. Step 6: Final answer
    x = 9,148.27

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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.