Home / 13,890.79-20,850.99-5,997.16

Finding the Fourth Proportional to 13,890.79, 20,850.99 and 5,997.16

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Solution

The fourth proportional to 13,890.79, 20,850.99 and 5,997.16 is: 9,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890.79 : 20,850.99 = 5,997.16 : x
  2. Step 2: Convert to fraction form
    13,890.79/20,850.99 = 5,997.16/x
  3. Step 3: Cross multiply
    13,890.79x = 20,850.99 × 5,997.16
  4. Step 4: Simplify right side
    13,890.79x = 125,046,723.19
  5. Step 5: Solve for x
    x = 125,046,723.19/13,890.79
  6. Step 6: Final answer
    x = 9,002.13

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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.