Home / 14,231.79-21,344.04-9,788.54

Finding the Fourth Proportional to 14,231.79, 21,344.04 and 9,788.54

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Solution

The fourth proportional to 14,231.79, 21,344.04 and 9,788.54 is: 14,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.79 : 21,344.04 = 9,788.54 : x
  2. Step 2: Convert to fraction form
    14,231.79/21,344.04 = 9,788.54/x
  3. Step 3: Cross multiply
    14,231.79x = 21,344.04 × 9,788.54
  4. Step 4: Simplify right side
    14,231.79x = 208,926,882.58
  5. Step 5: Solve for x
    x = 208,926,882.58/14,231.79
  6. Step 6: Final answer
    x = 14,680.30

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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.