Home / 18,741.80-25,851.66-14,761.28

Finding the Fourth Proportional to 18,741.80, 25,851.66 and 14,761.28

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Solution

The fourth proportional to 18,741.80, 25,851.66 and 14,761.28 is: 20,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.80 : 25,851.66 = 14,761.28 : x
  2. Step 2: Convert to fraction form
    18,741.80/25,851.66 = 14,761.28/x
  3. Step 3: Cross multiply
    18,741.80x = 25,851.66 × 14,761.28
  4. Step 4: Simplify right side
    18,741.80x = 381,603,591.72
  5. Step 5: Solve for x
    x = 381,603,591.72/18,741.80
  6. Step 6: Final answer
    x = 20,361.10

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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.