Home / 11,173.28-16,721.04-9,436.64

Finding the Fourth Proportional to 11,173.28, 16,721.04 and 9,436.64

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Solution

The fourth proportional to 11,173.28, 16,721.04 and 9,436.64 is: 14,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.28 : 16,721.04 = 9,436.64 : x
  2. Step 2: Convert to fraction form
    11,173.28/16,721.04 = 9,436.64/x
  3. Step 3: Cross multiply
    11,173.28x = 16,721.04 × 9,436.64
  4. Step 4: Simplify right side
    11,173.28x = 157,790,434.91
  5. Step 5: Solve for x
    x = 157,790,434.91/11,173.28
  6. Step 6: Final answer
    x = 14,122.12

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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.