Home / 14,142.96-21,211.20-6,354

Finding the Fourth Proportional to 14,142.96, 21,211.20 and 6,354

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Solution

The fourth proportional to 14,142.96, 21,211.20 and 6,354 is: 9,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.96 : 21,211.20 = 6,354 : x
  2. Step 2: Convert to fraction form
    14,142.96/21,211.20 = 6,354/x
  3. Step 3: Cross multiply
    14,142.96x = 21,211.20 × 6,354
  4. Step 4: Simplify right side
    14,142.96x = 134,775,964.80
  5. Step 5: Solve for x
    x = 134,775,964.80/14,142.96
  6. Step 6: Final answer
    x = 9,529.54

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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.