Home / 13,563.05-20,327.25-11,800.69

Finding the Fourth Proportional to 13,563.05, 20,327.25 and 11,800.69

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Solution

The fourth proportional to 13,563.05, 20,327.25 and 11,800.69 is: 17,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.05 : 20,327.25 = 11,800.69 : x
  2. Step 2: Convert to fraction form
    13,563.05/20,327.25 = 11,800.69/x
  3. Step 3: Cross multiply
    13,563.05x = 20,327.25 × 11,800.69
  4. Step 4: Simplify right side
    13,563.05x = 239,875,569.24
  5. Step 5: Solve for x
    x = 239,875,569.24/13,563.05
  6. Step 6: Final answer
    x = 17,685.97

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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.