Home / 14,124.28-21,193.32-5,690.43

Finding the Fourth Proportional to 14,124.28, 21,193.32 and 5,690.43

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Solution

The fourth proportional to 14,124.28, 21,193.32 and 5,690.43 is: 8,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.28 : 21,193.32 = 5,690.43 : x
  2. Step 2: Convert to fraction form
    14,124.28/21,193.32 = 5,690.43/x
  3. Step 3: Cross multiply
    14,124.28x = 21,193.32 × 5,690.43
  4. Step 4: Simplify right side
    14,124.28x = 120,598,997.96
  5. Step 5: Solve for x
    x = 120,598,997.96/14,124.28
  6. Step 6: Final answer
    x = 8,538.42

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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.