Home / 13,661.03-20,480.50-5,758.44

Finding the Fourth Proportional to 13,661.03, 20,480.50 and 5,758.44

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Solution

The fourth proportional to 13,661.03, 20,480.50 and 5,758.44 is: 8,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.03 : 20,480.50 = 5,758.44 : x
  2. Step 2: Convert to fraction form
    13,661.03/20,480.50 = 5,758.44/x
  3. Step 3: Cross multiply
    13,661.03x = 20,480.50 × 5,758.44
  4. Step 4: Simplify right side
    13,661.03x = 117,935,743.63
  5. Step 5: Solve for x
    x = 117,935,743.63/13,661.03
  6. Step 6: Final answer
    x = 8,633.01

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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.