Home / 14,114.40-19,480.41-8,145.24

Finding the Fourth Proportional to 14,114.40, 19,480.41 and 8,145.24

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Solution

The fourth proportional to 14,114.40, 19,480.41 and 8,145.24 is: 11,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.40 : 19,480.41 = 8,145.24 : x
  2. Step 2: Convert to fraction form
    14,114.40/19,480.41 = 8,145.24/x
  3. Step 3: Cross multiply
    14,114.40x = 19,480.41 × 8,145.24
  4. Step 4: Simplify right side
    14,114.40x = 158,672,614.75
  5. Step 5: Solve for x
    x = 158,672,614.75/14,114.40
  6. Step 6: Final answer
    x = 11,241.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.