Home / 16,919.30-25,361.67-11,977.22

Finding the Fourth Proportional to 16,919.30, 25,361.67 and 11,977.22

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Solution

The fourth proportional to 16,919.30, 25,361.67 and 11,977.22 is: 17,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.30 : 25,361.67 = 11,977.22 : x
  2. Step 2: Convert to fraction form
    16,919.30/25,361.67 = 11,977.22/x
  3. Step 3: Cross multiply
    16,919.30x = 25,361.67 × 11,977.22
  4. Step 4: Simplify right side
    16,919.30x = 303,762,301.16
  5. Step 5: Solve for x
    x = 303,762,301.16/16,919.30
  6. Step 6: Final answer
    x = 17,953.60

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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.