Home / 13,472.20-20,208.29-4,112.26

Finding the Fourth Proportional to 13,472.20, 20,208.29 and 4,112.26

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Solution

The fourth proportional to 13,472.20, 20,208.29 and 4,112.26 is: 6,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.20 : 20,208.29 = 4,112.26 : x
  2. Step 2: Convert to fraction form
    13,472.20/20,208.29 = 4,112.26/x
  3. Step 3: Cross multiply
    13,472.20x = 20,208.29 × 4,112.26
  4. Step 4: Simplify right side
    13,472.20x = 83,101,742.64
  5. Step 5: Solve for x
    x = 83,101,742.64/13,472.20
  6. Step 6: Final answer
    x = 6,168.39

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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.