Home / 12,652.16-18,979.15-4,860.97

Finding the Fourth Proportional to 12,652.16, 18,979.15 and 4,860.97

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Solution

The fourth proportional to 12,652.16, 18,979.15 and 4,860.97 is: 7,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.16 : 18,979.15 = 4,860.97 : x
  2. Step 2: Convert to fraction form
    12,652.16/18,979.15 = 4,860.97/x
  3. Step 3: Cross multiply
    12,652.16x = 18,979.15 × 4,860.97
  4. Step 4: Simplify right side
    12,652.16x = 92,257,066.62
  5. Step 5: Solve for x
    x = 92,257,066.62/12,652.16
  6. Step 6: Final answer
    x = 7,291.81

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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.