Home / 14,154.12-21,231.58-3,765.88

Finding the Fourth Proportional to 14,154.12, 21,231.58 and 3,765.88

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Solution

The fourth proportional to 14,154.12, 21,231.58 and 3,765.88 is: 5,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.12 : 21,231.58 = 3,765.88 : x
  2. Step 2: Convert to fraction form
    14,154.12/21,231.58 = 3,765.88/x
  3. Step 3: Cross multiply
    14,154.12x = 21,231.58 × 3,765.88
  4. Step 4: Simplify right side
    14,154.12x = 79,955,582.49
  5. Step 5: Solve for x
    x = 79,955,582.49/14,154.12
  6. Step 6: Final answer
    x = 5,648.93

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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.