Home / 22,954.75-31,669.62-12,881.80

Finding the Fourth Proportional to 22,954.75, 31,669.62 and 12,881.80

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Solution

The fourth proportional to 22,954.75, 31,669.62 and 12,881.80 is: 17,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.75 : 31,669.62 = 12,881.80 : x
  2. Step 2: Convert to fraction form
    22,954.75/31,669.62 = 12,881.80/x
  3. Step 3: Cross multiply
    22,954.75x = 31,669.62 × 12,881.80
  4. Step 4: Simplify right side
    22,954.75x = 407,961,710.92
  5. Step 5: Solve for x
    x = 407,961,710.92/22,954.75
  6. Step 6: Final answer
    x = 17,772.43

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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.