Home / 11,207.50-16,812.77-3,809.97

Finding the Fourth Proportional to 11,207.50, 16,812.77 and 3,809.97

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Solution

The fourth proportional to 11,207.50, 16,812.77 and 3,809.97 is: 5,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.50 : 16,812.77 = 3,809.97 : x
  2. Step 2: Convert to fraction form
    11,207.50/16,812.77 = 3,809.97/x
  3. Step 3: Cross multiply
    11,207.50x = 16,812.77 × 3,809.97
  4. Step 4: Simplify right side
    11,207.50x = 64,056,130.27
  5. Step 5: Solve for x
    x = 64,056,130.27/11,207.50
  6. Step 6: Final answer
    x = 5,715.47

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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.