Home / 13,397.43-20,094.72-5,500.78

Finding the Fourth Proportional to 13,397.43, 20,094.72 and 5,500.78

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Solution

The fourth proportional to 13,397.43, 20,094.72 and 5,500.78 is: 8,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.43 : 20,094.72 = 5,500.78 : x
  2. Step 2: Convert to fraction form
    13,397.43/20,094.72 = 5,500.78/x
  3. Step 3: Cross multiply
    13,397.43x = 20,094.72 × 5,500.78
  4. Step 4: Simplify right side
    13,397.43x = 110,536,633.88
  5. Step 5: Solve for x
    x = 110,536,633.88/13,397.43
  6. Step 6: Final answer
    x = 8,250.58

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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.