Home / 19,805.92-29,705.70-7,331.86

Finding the Fourth Proportional to 19,805.92, 29,705.70 and 7,331.86

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Solution

The fourth proportional to 19,805.92, 29,705.70 and 7,331.86 is: 10,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.92 : 29,705.70 = 7,331.86 : x
  2. Step 2: Convert to fraction form
    19,805.92/29,705.70 = 7,331.86/x
  3. Step 3: Cross multiply
    19,805.92x = 29,705.70 × 7,331.86
  4. Step 4: Simplify right side
    19,805.92x = 217,798,033.60
  5. Step 5: Solve for x
    x = 217,798,033.60/19,805.92
  6. Step 6: Final answer
    x = 10,996.61

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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.