Home / 13,371.66-18,453.04-7,403.88

Finding the Fourth Proportional to 13,371.66, 18,453.04 and 7,403.88

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Solution

The fourth proportional to 13,371.66, 18,453.04 and 7,403.88 is: 10,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.66 : 18,453.04 = 7,403.88 : x
  2. Step 2: Convert to fraction form
    13,371.66/18,453.04 = 7,403.88/x
  3. Step 3: Cross multiply
    13,371.66x = 18,453.04 × 7,403.88
  4. Step 4: Simplify right side
    13,371.66x = 136,624,093.80
  5. Step 5: Solve for x
    x = 136,624,093.80/13,371.66
  6. Step 6: Final answer
    x = 10,217.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.