Home / 13,213.92-19,808.48-4,442.70

Finding the Fourth Proportional to 13,213.92, 19,808.48 and 4,442.70

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Solution

The fourth proportional to 13,213.92, 19,808.48 and 4,442.70 is: 6,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.92 : 19,808.48 = 4,442.70 : x
  2. Step 2: Convert to fraction form
    13,213.92/19,808.48 = 4,442.70/x
  3. Step 3: Cross multiply
    13,213.92x = 19,808.48 × 4,442.70
  4. Step 4: Simplify right side
    13,213.92x = 88,003,134.10
  5. Step 5: Solve for x
    x = 88,003,134.10/13,213.92
  6. Step 6: Final answer
    x = 6,659.88

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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.