Home / 21,446.58-29,586.06-12,949.02

Finding the Fourth Proportional to 21,446.58, 29,586.06 and 12,949.02

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Solution

The fourth proportional to 21,446.58, 29,586.06 and 12,949.02 is: 17,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.58 : 29,586.06 = 12,949.02 : x
  2. Step 2: Convert to fraction form
    21,446.58/29,586.06 = 12,949.02/x
  3. Step 3: Cross multiply
    21,446.58x = 29,586.06 × 12,949.02
  4. Step 4: Simplify right side
    21,446.58x = 383,110,482.66
  5. Step 5: Solve for x
    x = 383,110,482.66/21,446.58
  6. Step 6: Final answer
    x = 17,863.48

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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.