Home / 13,491.56-20,236.61-4,131.59

Finding the Fourth Proportional to 13,491.56, 20,236.61 and 4,131.59

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Solution

The fourth proportional to 13,491.56, 20,236.61 and 4,131.59 is: 6,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.56 : 20,236.61 = 4,131.59 : x
  2. Step 2: Convert to fraction form
    13,491.56/20,236.61 = 4,131.59/x
  3. Step 3: Cross multiply
    13,491.56x = 20,236.61 × 4,131.59
  4. Step 4: Simplify right side
    13,491.56x = 83,609,253.67
  5. Step 5: Solve for x
    x = 83,609,253.67/13,491.56
  6. Step 6: Final answer
    x = 6,197.15

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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.