Home / 13,184.61-18,194.70-7,216.26

Finding the Fourth Proportional to 13,184.61, 18,194.70 and 7,216.26

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Solution

The fourth proportional to 13,184.61, 18,194.70 and 7,216.26 is: 9,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.61 : 18,194.70 = 7,216.26 : x
  2. Step 2: Convert to fraction form
    13,184.61/18,194.70 = 7,216.26/x
  3. Step 3: Cross multiply
    13,184.61x = 18,194.70 × 7,216.26
  4. Step 4: Simplify right side
    13,184.61x = 131,297,712.88
  5. Step 5: Solve for x
    x = 131,297,712.88/13,184.61
  6. Step 6: Final answer
    x = 9,958.41

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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.