Home / 12,451.80-18,670.04-6,118.62

Finding the Fourth Proportional to 12,451.80, 18,670.04 and 6,118.62

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Solution

The fourth proportional to 12,451.80, 18,670.04 and 6,118.62 is: 9,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.80 : 18,670.04 = 6,118.62 : x
  2. Step 2: Convert to fraction form
    12,451.80/18,670.04 = 6,118.62/x
  3. Step 3: Cross multiply
    12,451.80x = 18,670.04 × 6,118.62
  4. Step 4: Simplify right side
    12,451.80x = 114,234,880.14
  5. Step 5: Solve for x
    x = 114,234,880.14/12,451.80
  6. Step 6: Final answer
    x = 9,174.17

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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.