Home / 12,116.67-18,168.17-4,712.65

Finding the Fourth Proportional to 12,116.67, 18,168.17 and 4,712.65

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Solution

The fourth proportional to 12,116.67, 18,168.17 and 4,712.65 is: 7,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.67 : 18,168.17 = 4,712.65 : x
  2. Step 2: Convert to fraction form
    12,116.67/18,168.17 = 4,712.65/x
  3. Step 3: Cross multiply
    12,116.67x = 18,168.17 × 4,712.65
  4. Step 4: Simplify right side
    12,116.67x = 85,620,226.35
  5. Step 5: Solve for x
    x = 85,620,226.35/12,116.67
  6. Step 6: Final answer
    x = 7,066.32

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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.