Home / 13,491.56-20,240.35-4,132.89

Finding the Fourth Proportional to 13,491.56, 20,240.35 and 4,132.89

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Solution

The fourth proportional to 13,491.56, 20,240.35 and 4,132.89 is: 6,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.56 : 20,240.35 = 4,132.89 : x
  2. Step 2: Convert to fraction form
    13,491.56/20,240.35 = 4,132.89/x
  3. Step 3: Cross multiply
    13,491.56x = 20,240.35 × 4,132.89
  4. Step 4: Simplify right side
    13,491.56x = 83,651,129.78
  5. Step 5: Solve for x
    x = 83,651,129.78/13,491.56
  6. Step 6: Final answer
    x = 6,200.26

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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.