Home / 13,001.13-19,493.51-5,500.80

Finding the Fourth Proportional to 13,001.13, 19,493.51 and 5,500.80

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Solution

The fourth proportional to 13,001.13, 19,493.51 and 5,500.80 is: 8,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.13 : 19,493.51 = 5,500.80 : x
  2. Step 2: Convert to fraction form
    13,001.13/19,493.51 = 5,500.80/x
  3. Step 3: Cross multiply
    13,001.13x = 19,493.51 × 5,500.80
  4. Step 4: Simplify right side
    13,001.13x = 107,229,872.30
  5. Step 5: Solve for x
    x = 107,229,872.30/13,001.13
  6. Step 6: Final answer
    x = 8,247.73

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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.