Home / 13,997.41-20,989.87-5,675.13

Finding the Fourth Proportional to 13,997.41, 20,989.87 and 5,675.13

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Solution

The fourth proportional to 13,997.41, 20,989.87 and 5,675.13 is: 8,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.41 : 20,989.87 = 5,675.13 : x
  2. Step 2: Convert to fraction form
    13,997.41/20,989.87 = 5,675.13/x
  3. Step 3: Cross multiply
    13,997.41x = 20,989.87 × 5,675.13
  4. Step 4: Simplify right side
    13,997.41x = 119,120,226.75
  5. Step 5: Solve for x
    x = 119,120,226.75/13,997.41
  6. Step 6: Final answer
    x = 8,510.16

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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.