Home / 11,722.53-16,175.66-9,338.57

Finding the Fourth Proportional to 11,722.53, 16,175.66 and 9,338.57

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Solution

The fourth proportional to 11,722.53, 16,175.66 and 9,338.57 is: 12,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.53 : 16,175.66 = 9,338.57 : x
  2. Step 2: Convert to fraction form
    11,722.53/16,175.66 = 9,338.57/x
  3. Step 3: Cross multiply
    11,722.53x = 16,175.66 × 9,338.57
  4. Step 4: Simplify right side
    11,722.53x = 151,057,533.21
  5. Step 5: Solve for x
    x = 151,057,533.21/11,722.53
  6. Step 6: Final answer
    x = 12,886.09

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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.