Home / 22,636.22-31,241.70-13,204.76

Finding the Fourth Proportional to 22,636.22, 31,241.70 and 13,204.76

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Solution

The fourth proportional to 22,636.22, 31,241.70 and 13,204.76 is: 18,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.22 : 31,241.70 = 13,204.76 : x
  2. Step 2: Convert to fraction form
    22,636.22/31,241.70 = 13,204.76/x
  3. Step 3: Cross multiply
    22,636.22x = 31,241.70 × 13,204.76
  4. Step 4: Simplify right side
    22,636.22x = 412,538,994.28
  5. Step 5: Solve for x
    x = 412,538,994.28/22,636.22
  6. Step 6: Final answer
    x = 18,224.73

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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.