Home / 18,410.19-27,629.28-13,492.68

Finding the Fourth Proportional to 18,410.19, 27,629.28 and 13,492.68

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Solution

The fourth proportional to 18,410.19, 27,629.28 and 13,492.68 is: 20,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.19 : 27,629.28 = 13,492.68 : x
  2. Step 2: Convert to fraction form
    18,410.19/27,629.28 = 13,492.68/x
  3. Step 3: Cross multiply
    18,410.19x = 27,629.28 × 13,492.68
  4. Step 4: Simplify right side
    18,410.19x = 372,793,033.67
  5. Step 5: Solve for x
    x = 372,793,033.67/18,410.19
  6. Step 6: Final answer
    x = 20,249.28

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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.