Home / 19,500.21-26,910.25-11,002.30

Finding the Fourth Proportional to 19,500.21, 26,910.25 and 11,002.30

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Solution

The fourth proportional to 19,500.21, 26,910.25 and 11,002.30 is: 15,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.21 : 26,910.25 = 11,002.30 : x
  2. Step 2: Convert to fraction form
    19,500.21/26,910.25 = 11,002.30/x
  3. Step 3: Cross multiply
    19,500.21x = 26,910.25 × 11,002.30
  4. Step 4: Simplify right side
    19,500.21x = 296,074,548.79
  5. Step 5: Solve for x
    x = 296,074,548.79/19,500.21
  6. Step 6: Final answer
    x = 15,183.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.