Home / 21,044.13-29,040.69-12,091.33

Finding the Fourth Proportional to 21,044.13, 29,040.69 and 12,091.33

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Solution

The fourth proportional to 21,044.13, 29,040.69 and 12,091.33 is: 16,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.13 : 29,040.69 = 12,091.33 : x
  2. Step 2: Convert to fraction form
    21,044.13/29,040.69 = 12,091.33/x
  3. Step 3: Cross multiply
    21,044.13x = 29,040.69 × 12,091.33
  4. Step 4: Simplify right side
    21,044.13x = 351,140,566.22
  5. Step 5: Solve for x
    x = 351,140,566.22/21,044.13
  6. Step 6: Final answer
    x = 16,685.92

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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.