Home / 14,361.21-19,820.25-8,073.59

Finding the Fourth Proportional to 14,361.21, 19,820.25 and 8,073.59

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Solution

The fourth proportional to 14,361.21, 19,820.25 and 8,073.59 is: 11,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.21 : 19,820.25 = 8,073.59 : x
  2. Step 2: Convert to fraction form
    14,361.21/19,820.25 = 8,073.59/x
  3. Step 3: Cross multiply
    14,361.21x = 19,820.25 × 8,073.59
  4. Step 4: Simplify right side
    14,361.21x = 160,020,473.10
  5. Step 5: Solve for x
    x = 160,020,473.10/14,361.21
  6. Step 6: Final answer
    x = 11,142.55

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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.