Home / 14,198.64-21,297.96-5,436.24

Finding the Fourth Proportional to 14,198.64, 21,297.96 and 5,436.24

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Solution

The fourth proportional to 14,198.64, 21,297.96 and 5,436.24 is: 8,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.64 : 21,297.96 = 5,436.24 : x
  2. Step 2: Convert to fraction form
    14,198.64/21,297.96 = 5,436.24/x
  3. Step 3: Cross multiply
    14,198.64x = 21,297.96 × 5,436.24
  4. Step 4: Simplify right side
    14,198.64x = 115,780,822.07
  5. Step 5: Solve for x
    x = 115,780,822.07/14,198.64
  6. Step 6: Final answer
    x = 8,154.36

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Similar ratio
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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.