Home / 11,954.64-16,495.80-6,648.43

Finding the Fourth Proportional to 11,954.64, 16,495.80 and 6,648.43

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Solution

The fourth proportional to 11,954.64, 16,495.80 and 6,648.43 is: 9,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.64 : 16,495.80 = 6,648.43 : x
  2. Step 2: Convert to fraction form
    11,954.64/16,495.80 = 6,648.43/x
  3. Step 3: Cross multiply
    11,954.64x = 16,495.80 × 6,648.43
  4. Step 4: Simplify right side
    11,954.64x = 109,671,171.59
  5. Step 5: Solve for x
    x = 109,671,171.59/11,954.64
  6. Step 6: Final answer
    x = 9,173.94

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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.