Home / 13,557.22-20,333.90-5,241.15

Finding the Fourth Proportional to 13,557.22, 20,333.90 and 5,241.15

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Solution

The fourth proportional to 13,557.22, 20,333.90 and 5,241.15 is: 7,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.22 : 20,333.90 = 5,241.15 : x
  2. Step 2: Convert to fraction form
    13,557.22/20,333.90 = 5,241.15/x
  3. Step 3: Cross multiply
    13,557.22x = 20,333.90 × 5,241.15
  4. Step 4: Simplify right side
    13,557.22x = 106,573,033.09
  5. Step 5: Solve for x
    x = 106,573,033.09/13,557.22
  6. Step 6: Final answer
    x = 7,860.98

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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.