Home / 11,980.46-17,962.18-4,578.68

Finding the Fourth Proportional to 11,980.46, 17,962.18 and 4,578.68

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Solution

The fourth proportional to 11,980.46, 17,962.18 and 4,578.68 is: 6,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.46 : 17,962.18 = 4,578.68 : x
  2. Step 2: Convert to fraction form
    11,980.46/17,962.18 = 4,578.68/x
  3. Step 3: Cross multiply
    11,980.46x = 17,962.18 × 4,578.68
  4. Step 4: Simplify right side
    11,980.46x = 82,242,961.62
  5. Step 5: Solve for x
    x = 82,242,961.62/11,980.46
  6. Step 6: Final answer
    x = 6,864.76

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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.