Home / 18,908.37-28,380.06-9,554.96

Finding the Fourth Proportional to 18,908.37, 28,380.06 and 9,554.96

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Solution

The fourth proportional to 18,908.37, 28,380.06 and 9,554.96 is: 14,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.37 : 28,380.06 = 9,554.96 : x
  2. Step 2: Convert to fraction form
    18,908.37/28,380.06 = 9,554.96/x
  3. Step 3: Cross multiply
    18,908.37x = 28,380.06 × 9,554.96
  4. Step 4: Simplify right side
    18,908.37x = 271,170,196.20
  5. Step 5: Solve for x
    x = 271,170,196.20/18,908.37
  6. Step 6: Final answer
    x = 14,341.28

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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.