Home / 13,369.31-20,073.68-7,457.75

Finding the Fourth Proportional to 13,369.31, 20,073.68 and 7,457.75

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Solution

The fourth proportional to 13,369.31, 20,073.68 and 7,457.75 is: 11,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.31 : 20,073.68 = 7,457.75 : x
  2. Step 2: Convert to fraction form
    13,369.31/20,073.68 = 7,457.75/x
  3. Step 3: Cross multiply
    13,369.31x = 20,073.68 × 7,457.75
  4. Step 4: Simplify right side
    13,369.31x = 149,704,487.02
  5. Step 5: Solve for x
    x = 149,704,487.02/13,369.31
  6. Step 6: Final answer
    x = 11,197.62

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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.