Home / 11,937.92-17,889.60-6,732.72

Finding the Fourth Proportional to 11,937.92, 17,889.60 and 6,732.72

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Solution

The fourth proportional to 11,937.92, 17,889.60 and 6,732.72 is: 10,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.92 : 17,889.60 = 6,732.72 : x
  2. Step 2: Convert to fraction form
    11,937.92/17,889.60 = 6,732.72/x
  3. Step 3: Cross multiply
    11,937.92x = 17,889.60 × 6,732.72
  4. Step 4: Simplify right side
    11,937.92x = 120,445,667.71
  5. Step 5: Solve for x
    x = 120,445,667.71/11,937.92
  6. Step 6: Final answer
    x = 10,089.33

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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.