Home / 21,456.09-29,608.13-12,024.45

Finding the Fourth Proportional to 21,456.09, 29,608.13 and 12,024.45

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Solution

The fourth proportional to 21,456.09, 29,608.13 and 12,024.45 is: 16,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.09 : 29,608.13 = 12,024.45 : x
  2. Step 2: Convert to fraction form
    21,456.09/29,608.13 = 12,024.45/x
  3. Step 3: Cross multiply
    21,456.09x = 29,608.13 × 12,024.45
  4. Step 4: Simplify right side
    21,456.09x = 356,021,508.84
  5. Step 5: Solve for x
    x = 356,021,508.84/21,456.09
  6. Step 6: Final answer
    x = 16,593.03

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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.