Home / 18,435.32-27,654.60-7,344.80

Finding the Fourth Proportional to 18,435.32, 27,654.60 and 7,344.80

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Solution

The fourth proportional to 18,435.32, 27,654.60 and 7,344.80 is: 11,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.32 : 27,654.60 = 7,344.80 : x
  2. Step 2: Convert to fraction form
    18,435.32/27,654.60 = 7,344.80/x
  3. Step 3: Cross multiply
    18,435.32x = 27,654.60 × 7,344.80
  4. Step 4: Simplify right side
    18,435.32x = 203,117,506.08
  5. Step 5: Solve for x
    x = 203,117,506.08/18,435.32
  6. Step 6: Final answer
    x = 11,017.85

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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.