Home / 11,884.41-16,400.12-6,506.61

Finding the Fourth Proportional to 11,884.41, 16,400.12 and 6,506.61

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Solution

The fourth proportional to 11,884.41, 16,400.12 and 6,506.61 is: 8,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.41 : 16,400.12 = 6,506.61 : x
  2. Step 2: Convert to fraction form
    11,884.41/16,400.12 = 6,506.61/x
  3. Step 3: Cross multiply
    11,884.41x = 16,400.12 × 6,506.61
  4. Step 4: Simplify right side
    11,884.41x = 106,709,152.26
  5. Step 5: Solve for x
    x = 106,709,152.26/11,884.41
  6. Step 6: Final answer
    x = 8,978.92

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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.