Home / 13,366.68-20,036.82-6,446.04

Finding the Fourth Proportional to 13,366.68, 20,036.82 and 6,446.04

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Solution

The fourth proportional to 13,366.68, 20,036.82 and 6,446.04 is: 9,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.68 : 20,036.82 = 6,446.04 : x
  2. Step 2: Convert to fraction form
    13,366.68/20,036.82 = 6,446.04/x
  3. Step 3: Cross multiply
    13,366.68x = 20,036.82 × 6,446.04
  4. Step 4: Simplify right side
    13,366.68x = 129,158,143.19
  5. Step 5: Solve for x
    x = 129,158,143.19/13,366.68
  6. Step 6: Final answer
    x = 9,662.69

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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.