Home / 21,476.07-29,636.89-12,044.63

Finding the Fourth Proportional to 21,476.07, 29,636.89 and 12,044.63

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Solution

The fourth proportional to 21,476.07, 29,636.89 and 12,044.63 is: 16,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.07 : 29,636.89 = 12,044.63 : x
  2. Step 2: Convert to fraction form
    21,476.07/29,636.89 = 12,044.63/x
  3. Step 3: Cross multiply
    21,476.07x = 29,636.89 × 12,044.63
  4. Step 4: Simplify right side
    21,476.07x = 356,965,418.38
  5. Step 5: Solve for x
    x = 356,965,418.38/21,476.07
  6. Step 6: Final answer
    x = 16,621.54

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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.