Home / 13,506.92-20,209.61-9,355.02

Finding the Fourth Proportional to 13,506.92, 20,209.61 and 9,355.02

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Solution

The fourth proportional to 13,506.92, 20,209.61 and 9,355.02 is: 13,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.92 : 20,209.61 = 9,355.02 : x
  2. Step 2: Convert to fraction form
    13,506.92/20,209.61 = 9,355.02/x
  3. Step 3: Cross multiply
    13,506.92x = 20,209.61 × 9,355.02
  4. Step 4: Simplify right side
    13,506.92x = 189,061,258.97
  5. Step 5: Solve for x
    x = 189,061,258.97/13,506.92
  6. Step 6: Final answer
    x = 13,997.37

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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.