Home / 18,504.30-27,760.90-5,357.58

Finding the Fourth Proportional to 18,504.30, 27,760.90 and 5,357.58

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Solution

The fourth proportional to 18,504.30, 27,760.90 and 5,357.58 is: 8,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.30 : 27,760.90 = 5,357.58 : x
  2. Step 2: Convert to fraction form
    18,504.30/27,760.90 = 5,357.58/x
  3. Step 3: Cross multiply
    18,504.30x = 27,760.90 × 5,357.58
  4. Step 4: Simplify right side
    18,504.30x = 148,731,242.62
  5. Step 5: Solve for x
    x = 148,731,242.62/18,504.30
  6. Step 6: Final answer
    x = 8,037.66

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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.