Home / 13,232.27-18,266.55-8,458.74

Finding the Fourth Proportional to 13,232.27, 18,266.55 and 8,458.74

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Solution

The fourth proportional to 13,232.27, 18,266.55 and 8,458.74 is: 11,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.27 : 18,266.55 = 8,458.74 : x
  2. Step 2: Convert to fraction form
    13,232.27/18,266.55 = 8,458.74/x
  3. Step 3: Cross multiply
    13,232.27x = 18,266.55 × 8,458.74
  4. Step 4: Simplify right side
    13,232.27x = 154,511,965.43
  5. Step 5: Solve for x
    x = 154,511,965.43/13,232.27
  6. Step 6: Final answer
    x = 11,676.90

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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.