Home / 18,240.89-27,361.40-14,086.94

Finding the Fourth Proportional to 18,240.89, 27,361.40 and 14,086.94

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Solution

The fourth proportional to 18,240.89, 27,361.40 and 14,086.94 is: 21,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.89 : 27,361.40 = 14,086.94 : x
  2. Step 2: Convert to fraction form
    18,240.89/27,361.40 = 14,086.94/x
  3. Step 3: Cross multiply
    18,240.89x = 27,361.40 × 14,086.94
  4. Step 4: Simplify right side
    18,240.89x = 385,438,192.87
  5. Step 5: Solve for x
    x = 385,438,192.87/18,240.89
  6. Step 6: Final answer
    x = 21,130.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.