Home / 13,637.36-20,459.99-4,872.96

Finding the Fourth Proportional to 13,637.36, 20,459.99 and 4,872.96

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Solution

The fourth proportional to 13,637.36, 20,459.99 and 4,872.96 is: 7,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.36 : 20,459.99 = 4,872.96 : x
  2. Step 2: Convert to fraction form
    13,637.36/20,459.99 = 4,872.96/x
  3. Step 3: Cross multiply
    13,637.36x = 20,459.99 × 4,872.96
  4. Step 4: Simplify right side
    13,637.36x = 99,700,725.05
  5. Step 5: Solve for x
    x = 99,700,725.05/13,637.36
  6. Step 6: Final answer
    x = 7,310.85

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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.