Home / 18,103.35-27,155.04-4,955.83

Finding the Fourth Proportional to 18,103.35, 27,155.04 and 4,955.83

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Solution

The fourth proportional to 18,103.35, 27,155.04 and 4,955.83 is: 7,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.35 : 27,155.04 = 4,955.83 : x
  2. Step 2: Convert to fraction form
    18,103.35/27,155.04 = 4,955.83/x
  3. Step 3: Cross multiply
    18,103.35x = 27,155.04 × 4,955.83
  4. Step 4: Simplify right side
    18,103.35x = 134,575,761.88
  5. Step 5: Solve for x
    x = 134,575,761.88/18,103.35
  6. Step 6: Final answer
    x = 7,433.75

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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.