Home / 11,789.20-17,688.60-4,000.24

Finding the Fourth Proportional to 11,789.20, 17,688.60 and 4,000.24

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Solution

The fourth proportional to 11,789.20, 17,688.60 and 4,000.24 is: 6,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.20 : 17,688.60 = 4,000.24 : x
  2. Step 2: Convert to fraction form
    11,789.20/17,688.60 = 4,000.24/x
  3. Step 3: Cross multiply
    11,789.20x = 17,688.60 × 4,000.24
  4. Step 4: Simplify right side
    11,789.20x = 70,758,645.26
  5. Step 5: Solve for x
    x = 70,758,645.26/11,789.20
  6. Step 6: Final answer
    x = 6,001.99

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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.