Home / 13,311.64-19,961.10-4,544.20

Finding the Fourth Proportional to 13,311.64, 19,961.10 and 4,544.20

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Solution

The fourth proportional to 13,311.64, 19,961.10 and 4,544.20 is: 6,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.64 : 19,961.10 = 4,544.20 : x
  2. Step 2: Convert to fraction form
    13,311.64/19,961.10 = 4,544.20/x
  3. Step 3: Cross multiply
    13,311.64x = 19,961.10 × 4,544.20
  4. Step 4: Simplify right side
    13,311.64x = 90,707,230.62
  5. Step 5: Solve for x
    x = 90,707,230.62/13,311.64
  6. Step 6: Final answer
    x = 6,814.13

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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.