Home / 11,999.38-18,000.59-4,103.40

Finding the Fourth Proportional to 11,999.38, 18,000.59 and 4,103.40

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Solution

The fourth proportional to 11,999.38, 18,000.59 and 4,103.40 is: 6,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.38 : 18,000.59 = 4,103.40 : x
  2. Step 2: Convert to fraction form
    11,999.38/18,000.59 = 4,103.40/x
  3. Step 3: Cross multiply
    11,999.38x = 18,000.59 × 4,103.40
  4. Step 4: Simplify right side
    11,999.38x = 73,863,621.01
  5. Step 5: Solve for x
    x = 73,863,621.01/11,999.38
  6. Step 6: Final answer
    x = 6,155.62

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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.