Home / 19,361.32-29,003.90-12,767.56

Finding the Fourth Proportional to 19,361.32, 29,003.90 and 12,767.56

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Solution

The fourth proportional to 19,361.32, 29,003.90 and 12,767.56 is: 19,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.32 : 29,003.90 = 12,767.56 : x
  2. Step 2: Convert to fraction form
    19,361.32/29,003.90 = 12,767.56/x
  3. Step 3: Cross multiply
    19,361.32x = 29,003.90 × 12,767.56
  4. Step 4: Simplify right side
    19,361.32x = 370,309,033.48
  5. Step 5: Solve for x
    x = 370,309,033.48/19,361.32
  6. Step 6: Final answer
    x = 19,126.23

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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.