Home / 13,184.66-18,194.87-7,216.38

Finding the Fourth Proportional to 13,184.66, 18,194.87 and 7,216.38

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Solution

The fourth proportional to 13,184.66, 18,194.87 and 7,216.38 is: 9,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.66 : 18,194.87 = 7,216.38 : x
  2. Step 2: Convert to fraction form
    13,184.66/18,194.87 = 7,216.38/x
  3. Step 3: Cross multiply
    13,184.66x = 18,194.87 × 7,216.38
  4. Step 4: Simplify right side
    13,184.66x = 131,301,114.01
  5. Step 5: Solve for x
    x = 131,301,114.01/13,184.66
  6. Step 6: Final answer
    x = 9,958.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.