Home / 12,446.28-18,654.84-7,452.63

Finding the Fourth Proportional to 12,446.28, 18,654.84 and 7,452.63

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Solution

The fourth proportional to 12,446.28, 18,654.84 and 7,452.63 is: 11,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.28 : 18,654.84 = 7,452.63 : x
  2. Step 2: Convert to fraction form
    12,446.28/18,654.84 = 7,452.63/x
  3. Step 3: Cross multiply
    12,446.28x = 18,654.84 × 7,452.63
  4. Step 4: Simplify right side
    12,446.28x = 139,027,620.23
  5. Step 5: Solve for x
    x = 139,027,620.23/12,446.28
  6. Step 6: Final answer
    x = 11,170.21

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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.