Home / 21,244.64-29,321.82-12,295.04

Finding the Fourth Proportional to 21,244.64, 29,321.82 and 12,295.04

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Solution

The fourth proportional to 21,244.64, 29,321.82 and 12,295.04 is: 16,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.64 : 29,321.82 = 12,295.04 : x
  2. Step 2: Convert to fraction form
    21,244.64/29,321.82 = 12,295.04/x
  3. Step 3: Cross multiply
    21,244.64x = 29,321.82 × 12,295.04
  4. Step 4: Simplify right side
    21,244.64x = 360,512,949.77
  5. Step 5: Solve for x
    x = 360,512,949.77/21,244.64
  6. Step 6: Final answer
    x = 16,969.60

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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.