Home / 18,838.58-28,249.66-9,472.75

Finding the Fourth Proportional to 18,838.58, 28,249.66 and 9,472.75

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Solution

The fourth proportional to 18,838.58, 28,249.66 and 9,472.75 is: 14,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.58 : 28,249.66 = 9,472.75 : x
  2. Step 2: Convert to fraction form
    18,838.58/28,249.66 = 9,472.75/x
  3. Step 3: Cross multiply
    18,838.58x = 28,249.66 × 9,472.75
  4. Step 4: Simplify right side
    18,838.58x = 267,601,907.98
  5. Step 5: Solve for x
    x = 267,601,907.98/18,838.58
  6. Step 6: Final answer
    x = 14,205.00

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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.