Home / 13,486.75-20,232.55-4,126.59

Finding the Fourth Proportional to 13,486.75, 20,232.55 and 4,126.59

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Solution

The fourth proportional to 13,486.75, 20,232.55 and 4,126.59 is: 6,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.75 : 20,232.55 = 4,126.59 : x
  2. Step 2: Convert to fraction form
    13,486.75/20,232.55 = 4,126.59/x
  3. Step 3: Cross multiply
    13,486.75x = 20,232.55 × 4,126.59
  4. Step 4: Simplify right side
    13,486.75x = 83,491,417.87
  5. Step 5: Solve for x
    x = 83,491,417.87/13,486.75
  6. Step 6: Final answer
    x = 6,190.63

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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.