Home / 9,554.07-14,249.42-8,391.72

Finding the Fourth Proportional to 9,554.07, 14,249.42 and 8,391.72

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Solution

The fourth proportional to 9,554.07, 14,249.42 and 8,391.72 is: 12,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,554.07 : 14,249.42 = 8,391.72 : x
  2. Step 2: Convert to fraction form
    9,554.07/14,249.42 = 8,391.72/x
  3. Step 3: Cross multiply
    9,554.07x = 14,249.42 × 8,391.72
  4. Step 4: Simplify right side
    9,554.07x = 119,577,142.80
  5. Step 5: Solve for x
    x = 119,577,142.80/9,554.07
  6. Step 6: Final answer
    x = 12,515.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.