Home / 12,116.81-18,175.66-3,796.63

Finding the Fourth Proportional to 12,116.81, 18,175.66 and 3,796.63

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Solution

The fourth proportional to 12,116.81, 18,175.66 and 3,796.63 is: 5,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.81 : 18,175.66 = 3,796.63 : x
  2. Step 2: Convert to fraction form
    12,116.81/18,175.66 = 3,796.63/x
  3. Step 3: Cross multiply
    12,116.81x = 18,175.66 × 3,796.63
  4. Step 4: Simplify right side
    12,116.81x = 69,006,201.10
  5. Step 5: Solve for x
    x = 69,006,201.10/12,116.81
  6. Step 6: Final answer
    x = 5,695.08

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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.