Home / 14,756.06-20,361.57-8,380.37

Finding the Fourth Proportional to 14,756.06, 20,361.57 and 8,380.37

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Solution

The fourth proportional to 14,756.06, 20,361.57 and 8,380.37 is: 11,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.06 : 20,361.57 = 8,380.37 : x
  2. Step 2: Convert to fraction form
    14,756.06/20,361.57 = 8,380.37/x
  3. Step 3: Cross multiply
    14,756.06x = 20,361.57 × 8,380.37
  4. Step 4: Simplify right side
    14,756.06x = 170,637,490.38
  5. Step 5: Solve for x
    x = 170,637,490.38/14,756.06
  6. Step 6: Final answer
    x = 11,563.89

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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.