Home / 13,529.68-20,296.44-4,170.46

Finding the Fourth Proportional to 13,529.68, 20,296.44 and 4,170.46

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Solution

The fourth proportional to 13,529.68, 20,296.44 and 4,170.46 is: 6,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.68 : 20,296.44 = 4,170.46 : x
  2. Step 2: Convert to fraction form
    13,529.68/20,296.44 = 4,170.46/x
  3. Step 3: Cross multiply
    13,529.68x = 20,296.44 × 4,170.46
  4. Step 4: Simplify right side
    13,529.68x = 84,645,491.16
  5. Step 5: Solve for x
    x = 84,645,491.16/13,529.68
  6. Step 6: Final answer
    x = 6,256.28

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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.