Home / 18,103.62-27,148.72-6,254.36

Finding the Fourth Proportional to 18,103.62, 27,148.72 and 6,254.36

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Solution

The fourth proportional to 18,103.62, 27,148.72 and 6,254.36 is: 9,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.62 : 27,148.72 = 6,254.36 : x
  2. Step 2: Convert to fraction form
    18,103.62/27,148.72 = 6,254.36/x
  3. Step 3: Cross multiply
    18,103.62x = 27,148.72 × 6,254.36
  4. Step 4: Simplify right side
    18,103.62x = 169,797,868.42
  5. Step 5: Solve for x
    x = 169,797,868.42/18,103.62
  6. Step 6: Final answer
    x = 9,379.22

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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.