Home / 13,433.46-20,141.55-6,409.68

Finding the Fourth Proportional to 13,433.46, 20,141.55 and 6,409.68

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Solution

The fourth proportional to 13,433.46, 20,141.55 and 6,409.68 is: 9,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.46 : 20,141.55 = 6,409.68 : x
  2. Step 2: Convert to fraction form
    13,433.46/20,141.55 = 6,409.68/x
  3. Step 3: Cross multiply
    13,433.46x = 20,141.55 × 6,409.68
  4. Step 4: Simplify right side
    13,433.46x = 129,100,890.20
  5. Step 5: Solve for x
    x = 129,100,890.20/13,433.46
  6. Step 6: Final answer
    x = 9,610.40

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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.