Home / 13,100.22-19,650.78-4,334.91

Finding the Fourth Proportional to 13,100.22, 19,650.78 and 4,334.91

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Solution

The fourth proportional to 13,100.22, 19,650.78 and 4,334.91 is: 6,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.22 : 19,650.78 = 4,334.91 : x
  2. Step 2: Convert to fraction form
    13,100.22/19,650.78 = 4,334.91/x
  3. Step 3: Cross multiply
    13,100.22x = 19,650.78 × 4,334.91
  4. Step 4: Simplify right side
    13,100.22x = 85,184,362.73
  5. Step 5: Solve for x
    x = 85,184,362.73/13,100.22
  6. Step 6: Final answer
    x = 6,502.51

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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.