Home / 14,098.38-21,157.30-13,989.04

Finding the Fourth Proportional to 14,098.38, 21,157.30 and 13,989.04

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Solution

The fourth proportional to 14,098.38, 21,157.30 and 13,989.04 is: 20,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.38 : 21,157.30 = 13,989.04 : x
  2. Step 2: Convert to fraction form
    14,098.38/21,157.30 = 13,989.04/x
  3. Step 3: Cross multiply
    14,098.38x = 21,157.30 × 13,989.04
  4. Step 4: Simplify right side
    14,098.38x = 295,970,315.99
  5. Step 5: Solve for x
    x = 295,970,315.99/14,098.38
  6. Step 6: Final answer
    x = 20,993.21

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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.