Home / 11,284.15-16,921.57-4,262.97

Finding the Fourth Proportional to 11,284.15, 16,921.57 and 4,262.97

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Solution

The fourth proportional to 11,284.15, 16,921.57 and 4,262.97 is: 6,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.15 : 16,921.57 = 4,262.97 : x
  2. Step 2: Convert to fraction form
    11,284.15/16,921.57 = 4,262.97/x
  3. Step 3: Cross multiply
    11,284.15x = 16,921.57 × 4,262.97
  4. Step 4: Simplify right side
    11,284.15x = 72,136,145.26
  5. Step 5: Solve for x
    x = 72,136,145.26/11,284.15
  6. Step 6: Final answer
    x = 6,392.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.