Home / 11,884.02-16,400.12-6,578.84

Finding the Fourth Proportional to 11,884.02, 16,400.12 and 6,578.84

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Solution

The fourth proportional to 11,884.02, 16,400.12 and 6,578.84 is: 9,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.02 : 16,400.12 = 6,578.84 : x
  2. Step 2: Convert to fraction form
    11,884.02/16,400.12 = 6,578.84/x
  3. Step 3: Cross multiply
    11,884.02x = 16,400.12 × 6,578.84
  4. Step 4: Simplify right side
    11,884.02x = 107,893,650.57
  5. Step 5: Solve for x
    x = 107,893,650.57/11,884.02
  6. Step 6: Final answer
    x = 9,078.88

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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.