Home / 13,984.77-20,977.12-9,588.90

Finding the Fourth Proportional to 13,984.77, 20,977.12 and 9,588.90

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Solution

The fourth proportional to 13,984.77, 20,977.12 and 9,588.90 is: 14,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.77 : 20,977.12 = 9,588.90 : x
  2. Step 2: Convert to fraction form
    13,984.77/20,977.12 = 9,588.90/x
  3. Step 3: Cross multiply
    13,984.77x = 20,977.12 × 9,588.90
  4. Step 4: Simplify right side
    13,984.77x = 201,147,505.97
  5. Step 5: Solve for x
    x = 201,147,505.97/13,984.77
  6. Step 6: Final answer
    x = 14,383.33

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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.