Home / 21,044.13-29,040.64-12,090.92

Finding the Fourth Proportional to 21,044.13, 29,040.64 and 12,090.92

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Solution

The fourth proportional to 21,044.13, 29,040.64 and 12,090.92 is: 16,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.13 : 29,040.64 = 12,090.92 : x
  2. Step 2: Convert to fraction form
    21,044.13/29,040.64 = 12,090.92/x
  3. Step 3: Cross multiply
    21,044.13x = 29,040.64 × 12,090.92
  4. Step 4: Simplify right side
    21,044.13x = 351,128,182.43
  5. Step 5: Solve for x
    x = 351,128,182.43/21,044.13
  6. Step 6: Final answer
    x = 16,685.33

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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.