Home / 14,819-22,233.66-7,421.80

Finding the Fourth Proportional to 14,819, 22,233.66 and 7,421.80

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Solution

The fourth proportional to 14,819, 22,233.66 and 7,421.80 is: 11,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819 : 22,233.66 = 7,421.80 : x
  2. Step 2: Convert to fraction form
    14,819/22,233.66 = 7,421.80/x
  3. Step 3: Cross multiply
    14,819x = 22,233.66 × 7,421.80
  4. Step 4: Simplify right side
    14,819x = 165,013,777.79
  5. Step 5: Solve for x
    x = 165,013,777.79/14,819
  6. Step 6: Final answer
    x = 11,135.28

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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.