Home / 18,438.32-27,608.27-9,654.77

Finding the Fourth Proportional to 18,438.32, 27,608.27 and 9,654.77

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Solution

The fourth proportional to 18,438.32, 27,608.27 and 9,654.77 is: 14,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.32 : 27,608.27 = 9,654.77 : x
  2. Step 2: Convert to fraction form
    18,438.32/27,608.27 = 9,654.77/x
  3. Step 3: Cross multiply
    18,438.32x = 27,608.27 × 9,654.77
  4. Step 4: Simplify right side
    18,438.32x = 266,551,310.63
  5. Step 5: Solve for x
    x = 266,551,310.63/18,438.32
  6. Step 6: Final answer
    x = 14,456.38

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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.