Home / 21,244.92-29,318.58-11,814.12

Finding the Fourth Proportional to 21,244.92, 29,318.58 and 11,814.12

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Solution

The fourth proportional to 21,244.92, 29,318.58 and 11,814.12 is: 16,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.92 : 29,318.58 = 11,814.12 : x
  2. Step 2: Convert to fraction form
    21,244.92/29,318.58 = 11,814.12/x
  3. Step 3: Cross multiply
    21,244.92x = 29,318.58 × 11,814.12
  4. Step 4: Simplify right side
    21,244.92x = 346,373,222.35
  5. Step 5: Solve for x
    x = 346,373,222.35/21,244.92
  6. Step 6: Final answer
    x = 16,303.81

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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.