Home / 11,929.92-17,877.60-6,724.72

Finding the Fourth Proportional to 11,929.92, 17,877.60 and 6,724.72

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Solution

The fourth proportional to 11,929.92, 17,877.60 and 6,724.72 is: 10,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.92 : 17,877.60 = 6,724.72 : x
  2. Step 2: Convert to fraction form
    11,929.92/17,877.60 = 6,724.72/x
  3. Step 3: Cross multiply
    11,929.92x = 17,877.60 × 6,724.72
  4. Step 4: Simplify right side
    11,929.92x = 120,221,854.27
  5. Step 5: Solve for x
    x = 120,221,854.27/11,929.92
  6. Step 6: Final answer
    x = 10,077.34

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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.