Home / 21,604.32-29,813.87-12,044.09

Finding the Fourth Proportional to 21,604.32, 29,813.87 and 12,044.09

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Solution

The fourth proportional to 21,604.32, 29,813.87 and 12,044.09 is: 16,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.32 : 29,813.87 = 12,044.09 : x
  2. Step 2: Convert to fraction form
    21,604.32/29,813.87 = 12,044.09/x
  3. Step 3: Cross multiply
    21,604.32x = 29,813.87 × 12,044.09
  4. Step 4: Simplify right side
    21,604.32x = 359,081,038.17
  5. Step 5: Solve for x
    x = 359,081,038.17/21,604.32
  6. Step 6: Final answer
    x = 16,620.80

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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.