Home / 13,149.96-19,732.50-5,358.84

Finding the Fourth Proportional to 13,149.96, 19,732.50 and 5,358.84

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Solution

The fourth proportional to 13,149.96, 19,732.50 and 5,358.84 is: 8,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.96 : 19,732.50 = 5,358.84 : x
  2. Step 2: Convert to fraction form
    13,149.96/19,732.50 = 5,358.84/x
  3. Step 3: Cross multiply
    13,149.96x = 19,732.50 × 5,358.84
  4. Step 4: Simplify right side
    13,149.96x = 105,743,310.30
  5. Step 5: Solve for x
    x = 105,743,310.30/13,149.96
  6. Step 6: Final answer
    x = 8,041.34

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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.