Home / 9,147.62-12,623.82-4,955.96

Finding the Fourth Proportional to 9,147.62, 12,623.82 and 4,955.96

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Solution

The fourth proportional to 9,147.62, 12,623.82 and 4,955.96 is: 6,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.62 : 12,623.82 = 4,955.96 : x
  2. Step 2: Convert to fraction form
    9,147.62/12,623.82 = 4,955.96/x
  3. Step 3: Cross multiply
    9,147.62x = 12,623.82 × 4,955.96
  4. Step 4: Simplify right side
    9,147.62x = 62,563,146.97
  5. Step 5: Solve for x
    x = 62,563,146.97/9,147.62
  6. Step 6: Final answer
    x = 6,839.28

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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.