Home / 9,418.62-12,996.58-5,589.65

Finding the Fourth Proportional to 9,418.62, 12,996.58 and 5,589.65

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Solution

The fourth proportional to 9,418.62, 12,996.58 and 5,589.65 is: 7,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.62 : 12,996.58 = 5,589.65 : x
  2. Step 2: Convert to fraction form
    9,418.62/12,996.58 = 5,589.65/x
  3. Step 3: Cross multiply
    9,418.62x = 12,996.58 × 5,589.65
  4. Step 4: Simplify right side
    9,418.62x = 72,646,333.40
  5. Step 5: Solve for x
    x = 72,646,333.40/9,418.62
  6. Step 6: Final answer
    x = 7,713.05

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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.