Home / 13,660.22-20,490.26-4,301.03

Finding the Fourth Proportional to 13,660.22, 20,490.26 and 4,301.03

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Solution

The fourth proportional to 13,660.22, 20,490.26 and 4,301.03 is: 6,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.22 : 20,490.26 = 4,301.03 : x
  2. Step 2: Convert to fraction form
    13,660.22/20,490.26 = 4,301.03/x
  3. Step 3: Cross multiply
    13,660.22x = 20,490.26 × 4,301.03
  4. Step 4: Simplify right side
    13,660.22x = 88,129,099.01
  5. Step 5: Solve for x
    x = 88,129,099.01/13,660.22
  6. Step 6: Final answer
    x = 6,451.52

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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.