Home / 14,273.96-21,357.18-9,899.88

Finding the Fourth Proportional to 14,273.96, 21,357.18 and 9,899.88

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Solution

The fourth proportional to 14,273.96, 21,357.18 and 9,899.88 is: 14,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.96 : 21,357.18 = 9,899.88 : x
  2. Step 2: Convert to fraction form
    14,273.96/21,357.18 = 9,899.88/x
  3. Step 3: Cross multiply
    14,273.96x = 21,357.18 × 9,899.88
  4. Step 4: Simplify right side
    14,273.96x = 211,433,519.14
  5. Step 5: Solve for x
    x = 211,433,519.14/14,273.96
  6. Step 6: Final answer
    x = 14,812.53

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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.