Home / 13,491.62-20,237.48-4,131.60

Finding the Fourth Proportional to 13,491.62, 20,237.48 and 4,131.60

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Solution

The fourth proportional to 13,491.62, 20,237.48 and 4,131.60 is: 6,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.62 : 20,237.48 = 4,131.60 : x
  2. Step 2: Convert to fraction form
    13,491.62/20,237.48 = 4,131.60/x
  3. Step 3: Cross multiply
    13,491.62x = 20,237.48 × 4,131.60
  4. Step 4: Simplify right side
    13,491.62x = 83,613,156.95
  5. Step 5: Solve for x
    x = 83,613,156.95/13,491.62
  6. Step 6: Final answer
    x = 6,197.41

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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.