Home / 21,733.10-29,991.51-12,301.34

Finding the Fourth Proportional to 21,733.10, 29,991.51 and 12,301.34

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Solution

The fourth proportional to 21,733.10, 29,991.51 and 12,301.34 is: 16,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733.10 : 29,991.51 = 12,301.34 : x
  2. Step 2: Convert to fraction form
    21,733.10/29,991.51 = 12,301.34/x
  3. Step 3: Cross multiply
    21,733.10x = 29,991.51 × 12,301.34
  4. Step 4: Simplify right side
    21,733.10x = 368,935,761.62
  5. Step 5: Solve for x
    x = 368,935,761.62/21,733.10
  6. Step 6: Final answer
    x = 16,975.75

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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.