Home / 21,204.14-29,258.30-12,252.83

Finding the Fourth Proportional to 21,204.14, 29,258.30 and 12,252.83

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Solution

The fourth proportional to 21,204.14, 29,258.30 and 12,252.83 is: 16,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.14 : 29,258.30 = 12,252.83 : x
  2. Step 2: Convert to fraction form
    21,204.14/29,258.30 = 12,252.83/x
  3. Step 3: Cross multiply
    21,204.14x = 29,258.30 × 12,252.83
  4. Step 4: Simplify right side
    21,204.14x = 358,496,975.99
  5. Step 5: Solve for x
    x = 358,496,975.99/21,204.14
  6. Step 6: Final answer
    x = 16,906.93

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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.