Home / 14,735.21-20,329.56-8,361.09

Finding the Fourth Proportional to 14,735.21, 20,329.56 and 8,361.09

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Solution

The fourth proportional to 14,735.21, 20,329.56 and 8,361.09 is: 11,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.21 : 20,329.56 = 8,361.09 : x
  2. Step 2: Convert to fraction form
    14,735.21/20,329.56 = 8,361.09/x
  3. Step 3: Cross multiply
    14,735.21x = 20,329.56 × 8,361.09
  4. Step 4: Simplify right side
    14,735.21x = 169,977,280.82
  5. Step 5: Solve for x
    x = 169,977,280.82/14,735.21
  6. Step 6: Final answer
    x = 11,535.45

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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.