Home / 11,931.66-16,464.42-6,625.26

Finding the Fourth Proportional to 11,931.66, 16,464.42 and 6,625.26

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Solution

The fourth proportional to 11,931.66, 16,464.42 and 6,625.26 is: 9,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.66 : 16,464.42 = 6,625.26 : x
  2. Step 2: Convert to fraction form
    11,931.66/16,464.42 = 6,625.26/x
  3. Step 3: Cross multiply
    11,931.66x = 16,464.42 × 6,625.26
  4. Step 4: Simplify right side
    11,931.66x = 109,081,063.25
  5. Step 5: Solve for x
    x = 109,081,063.25/11,931.66
  6. Step 6: Final answer
    x = 9,142.15

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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.