Home / 13,382.60-20,086.23-6,813.50

Finding the Fourth Proportional to 13,382.60, 20,086.23 and 6,813.50

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Solution

The fourth proportional to 13,382.60, 20,086.23 and 6,813.50 is: 10,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.60 : 20,086.23 = 6,813.50 : x
  2. Step 2: Convert to fraction form
    13,382.60/20,086.23 = 6,813.50/x
  3. Step 3: Cross multiply
    13,382.60x = 20,086.23 × 6,813.50
  4. Step 4: Simplify right side
    13,382.60x = 136,857,528.11
  5. Step 5: Solve for x
    x = 136,857,528.11/13,382.60
  6. Step 6: Final answer
    x = 10,226.53

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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.