Home / 13,096.80-19,645.20-8,949.60

Finding the Fourth Proportional to 13,096.80, 19,645.20 and 8,949.60

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Solution

The fourth proportional to 13,096.80, 19,645.20 and 8,949.60 is: 13,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096.80 : 19,645.20 = 8,949.60 : x
  2. Step 2: Convert to fraction form
    13,096.80/19,645.20 = 8,949.60/x
  3. Step 3: Cross multiply
    13,096.80x = 19,645.20 × 8,949.60
  4. Step 4: Simplify right side
    13,096.80x = 175,816,681.92
  5. Step 5: Solve for x
    x = 175,816,681.92/13,096.80
  6. Step 6: Final answer
    x = 13,424.40

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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.