Home / 14,618.40-20,173.44-8,330.88

Finding the Fourth Proportional to 14,618.40, 20,173.44 and 8,330.88

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Solution

The fourth proportional to 14,618.40, 20,173.44 and 8,330.88 is: 11,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.40 : 20,173.44 = 8,330.88 : x
  2. Step 2: Convert to fraction form
    14,618.40/20,173.44 = 8,330.88/x
  3. Step 3: Cross multiply
    14,618.40x = 20,173.44 × 8,330.88
  4. Step 4: Simplify right side
    14,618.40x = 168,062,507.83
  5. Step 5: Solve for x
    x = 168,062,507.83/14,618.40
  6. Step 6: Final answer
    x = 11,496.64

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Similar ratio
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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.