Home / 11,505.60-17,231.22-5,663.88

Finding the Fourth Proportional to 11,505.60, 17,231.22 and 5,663.88

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Solution

The fourth proportional to 11,505.60, 17,231.22 and 5,663.88 is: 8,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.60 : 17,231.22 = 5,663.88 : x
  2. Step 2: Convert to fraction form
    11,505.60/17,231.22 = 5,663.88/x
  3. Step 3: Cross multiply
    11,505.60x = 17,231.22 × 5,663.88
  4. Step 4: Simplify right side
    11,505.60x = 97,595,562.33
  5. Step 5: Solve for x
    x = 97,595,562.33/11,505.60
  6. Step 6: Final answer
    x = 8,482.44

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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.