Home / 18,790.88-25,932-10,408.16

Finding the Fourth Proportional to 18,790.88, 25,932 and 10,408.16

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Solution

The fourth proportional to 18,790.88, 25,932 and 10,408.16 is: 14,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.88 : 25,932 = 10,408.16 : x
  2. Step 2: Convert to fraction form
    18,790.88/25,932 = 10,408.16/x
  3. Step 3: Cross multiply
    18,790.88x = 25,932 × 10,408.16
  4. Step 4: Simplify right side
    18,790.88x = 269,904,405.12
  5. Step 5: Solve for x
    x = 269,904,405.12/18,790.88
  6. Step 6: Final answer
    x = 14,363.59

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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.