Home / 13,433.10-20,149.55-3,573.08

Finding the Fourth Proportional to 13,433.10, 20,149.55 and 3,573.08

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Solution

The fourth proportional to 13,433.10, 20,149.55 and 3,573.08 is: 5,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.10 : 20,149.55 = 3,573.08 : x
  2. Step 2: Convert to fraction form
    13,433.10/20,149.55 = 3,573.08/x
  3. Step 3: Cross multiply
    13,433.10x = 20,149.55 × 3,573.08
  4. Step 4: Simplify right side
    13,433.10x = 71,995,835.50
  5. Step 5: Solve for x
    x = 71,995,835.50/13,433.10
  6. Step 6: Final answer
    x = 5,359.58

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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.