Home / 13,525.16-20,288.81-4,164.44

Finding the Fourth Proportional to 13,525.16, 20,288.81 and 4,164.44

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Solution

The fourth proportional to 13,525.16, 20,288.81 and 4,164.44 is: 6,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.16 : 20,288.81 = 4,164.44 : x
  2. Step 2: Convert to fraction form
    13,525.16/20,288.81 = 4,164.44/x
  3. Step 3: Cross multiply
    13,525.16x = 20,288.81 × 4,164.44
  4. Step 4: Simplify right side
    13,525.16x = 84,491,440.88
  5. Step 5: Solve for x
    x = 84,491,440.88/13,525.16
  6. Step 6: Final answer
    x = 6,246.99

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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.