Home / 13,194.66-18,211.92-8,952.84

Finding the Fourth Proportional to 13,194.66, 18,211.92 and 8,952.84

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Solution

The fourth proportional to 13,194.66, 18,211.92 and 8,952.84 is: 12,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.66 : 18,211.92 = 8,952.84 : x
  2. Step 2: Convert to fraction form
    13,194.66/18,211.92 = 8,952.84/x
  3. Step 3: Cross multiply
    13,194.66x = 18,211.92 × 8,952.84
  4. Step 4: Simplify right side
    13,194.66x = 163,048,405.85
  5. Step 5: Solve for x
    x = 163,048,405.85/13,194.66
  6. Step 6: Final answer
    x = 12,357.15

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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.